nazlia binti omar;rozli bin zulkifli;sabrina binti tiun.  (2023).  question classification based on bloom’s taxonomy cognitive domain using machine learning approach.  - .  . 

meor syazalee meor shaa, rozli zulkifli.  (2023).  tensile and flexural properties of kenaf reinforced polylactic acid under heat effect.  - jurnal kejuruteraan.  1341-1349. 

rozli bin zulkifli;kamaruzzaman bin sopian;shahrir bin abdullah;zambri bin harun;wan aizon bin w ghopa.  (2023).  flow and convective heat transfer characteristics of oblique fins minichannel nanoliquid cold plate in laminar and turbulence flow regime .  - .  . 

mohd faizal bin mat tahir;rozli bin zulkifli;mohd. zaki bin nuawi;nor kamaliana binti khamis.  (2023).  studies on acoustics properties of local wood material use in traditional malaysian house.  - .  . 

rasha abdulrazzak jasim, wajdi qassim hussen, mahir faris abdullah, rozli zulkifli.  (2023).  numerical simulation of characterization of hydraulic jump over an obstacle in an open channel flow.  - journal of advanced research in fluid mechanics and thermal sciences.  1-15. 

mohammad yacoub al shdaifat, rozli zulkifli, kamaruzzaman sopian, abeer adel salih.  (2023).  investigate the effect of a novel inlet header on the thermal and hydraulic performance of a liquid cold plate used for cooling the li-ion battery cell of electric vehicles.  - proceedings of the institution of mechanical engineers part d - journal of automobile engineering.  3326-3333. 

nur syahirah mohamad hanafi , wan aizon w ghopa , rozli zulkifli , mohd anas mohd sabri, wan fathul hakim w zamri and meor iqram meor ahmad.  (2023).  numerical investigation of hybrid nanofluid heat transfer performance in jet impingement cooling.  - tmrees23.  23. 

nur syahirah m. hanafi, wan aizon w. ghopa, rozli zulkifli, mohd anas mohd sabri, wan fathul hakim w. zamri, meor iqram meor ahmad.  (2023).  mathematical formulation of al2o3-cu/water hybrid nanofluid performance in jet impingement cooling.  - energy reports.  435-466. 

hind azeez mohammed hussein, rozli zulkifli, wan mohd faizal bin wan mahmood, raheem k. ajeel.  (2022).  structure parameters and designs and their impact on performance of different heat exchangers: a review.  - renewable and sustainable energy reviews.  1-21. 

mohammad yacoub al shdaifat, abeer adel salih, rozli zulkifli.  (2022).  investigation on a pv-t system using direct heat exchange between the coolant and the pv panel: the electrical performance aspect.  - journal of modern polymer chemistry and materials.  1-10. 

abeer adel salih, rozli zulkifli, che husna azhari, vigeshwaran shanmugam, mohammad yacoub al shdaifat.  (2022).  optimization impact properties for biocomposites using taguchi method.  - journal of modern polymer chemistry and materials.  1-12. 

abeer adel salih, rozli zulkifli, che husna azhari.  (2022).  tensile properties of single cellulosic bamboo fiber (gigantochloa scortechinii) using response surface methodology.  - journal of natural fibers.  359-368. 

phua hoei chuan, mohd faizal mat tahir, rozli zulkifli, meor iqram meor ahmad.  (2022).  the simulation study on acoustics characteristics for selected local wood used in malay traditional house.  - mechanical engineering research day 2022.  1. 

hind azeez mohammed hussein, rozli zulkifli, wan mohd faizal wan mahmood, raheem k. ajeel.  (2022).  effects of design parameters on flow fields and heat transfer characteristics in semicircle oblique finned corrugated.  - international communications in heat and mass transfer.  1-20. 

phua hoei chuan, mohd faizal bin mat tahir, rozli zulkifli, meor iqram meor ahmad.  (2022).  the simulation study on acoustics characteristics for selected local wood used in malay traditional house.  - proceedings of mechanical engineering research day 2022.  244-245. 

meor syazalee meor sha, rozli zulkifli.  (2022).  parameter optimization: effect of humidity and fabrication process on flexural strength of kenaf/polylactic acid biocomposite.  - jurnal kejuruteraan.  1185-1190. 

norjamalullail tamri, rozli zulkifli.  (2022).  penggunaan kaedah aliran angin untuk mengatasi masalah kecacatan produk plastik.  - jurnal kejuruteraan.  299-307. 

nur syahirah m.hanafi, wan aizon w.ghopa, rozli zulkifli, shahrir abdullah, zambri harun, mohd radzi abumansor.  (2022).  numerical simulation on the effectiveness of hybrid nanofluid in jet impingement cooling application.  - energy report.  764-775. 

helmi norman, ahmad kamal ariffin mohd ihsan, azmin sham rambely, rozli zulkifli.  (2021).  alternative assessment in higher education: a practical guide to assessing learning.  - .  11. 

che husna azhari, mohd sapuan salit, rozli zulkifli.  (2021).  natural fibre composites.  - .  9. 

norjamalullail tamri, rozli zulkifli, che husna azhari & albert uchenna ude.  (2021).  kajian ilimiah terhadap proses pembuatan kenaf dengan propilena.  - jurnal kejuruteraan.  863-873. 

abeer adel al-nuaimi, rozli zulkifli, che husna azhari.  (2021).  natural fibre composites.  - .  23. 

raheem k. ajeel, rozli zulkifli, k. sopian, saba n. fayyadh, ahmad fazlizan , adnan ibrahim.  (2021).  numerical investigation of binary hybrid nanofluid in new configurations for curved-corrugated channel by thermal-hydraulic performance method.  - powder technology.  144-159. 

raheem kadhim ajeel, k. sopian, rozli zulkifli.  (2021).  thermal-hydraulic performance and design parameters in a curved-corrugated channel with l-shaped baffles and nanofluid.  - journal of energy storage.  1-24. 

raheem k. ajeel, k. sopian, rozli zulkifli, saba n. fayyadh, ali kareem hilo.  (2021).  assessment and analysis of binary hybrid nanofluid impact on new configurations for curved-corrugated channel.  - advanced powder technology.  3869-3884. 

che husna azhari, mohd sapuan salit, rozli zulkifli.  (2021).  natural fibre composites.  - .  195. 

mahir faris abdullah, rozli zulkifli, hazim moria, asmaa soheil najm, zambri harun, shahrir abdullah, wan aizon wan ghopa, noor humam sulaiman.  (2021).  assessment of tio2 nanoconcentration and twin impingement jet of heat transfer enhancement-a statistical approach using response surface methodology.  - energies.  1-29. 

raheem k. ajeel, k. sopian, rozli zulkifli.  (2021).  a novel curved-corrugated channel model: thermal-hydraulic performance and design parameters with nanofluid.  - international communications in heat and mass transfer.  1-21. 

abdullh mansur aldosry, rozli zulkifli, wan aizon wan ghopa.  (2021).  heat transfer enhancement of liquid cooled copper plate with oblique fins for electric vehicles battery thermal management.  - world electric vehicle journal.  1-14. 

rozli bin zulkifli;wan fathul hakim bin w. zamri;mohd faizal bin mat tahir;abdul hadi bin azman.  (2021).  surface modification on the mechanical and thermal properties of biodegradable meso-structured bamboo fibre /polyamide 6 composites .  - .  . 

majid ghoushji, rozli zulkifli, che husna azhari.  (2021).  natural fibre composites.  - .  20. 

che husna azhari, majid ghoushji, albert uchenna ude, abdul rahim eshkoor & rozli zulkifli.  (2021).  natural fibre composites.  - .  13. 

lindani koketso ncube, albert uchenna ude, enoch nifise ogunmuyiwa, rozli zulkifli, isaac nongwe beas.  (2021).  an overview of plastic waste generation and management in food packaging industries.  - recycling.  1-25. 

mohammad yacoub al shdaifat, rozli zulkifli, kamaruzzaman sopian, abeer adel salih.  (2020).  thermal and hydraulic performance of cuo water nanofluids: a review.  - micromachines.  1-19. 

abeer adel salih, rozli zulkifli, che husna azhari.  (2020).  optimization of bamboo mesoparticle/nylon 6 composite mechanical properties using a response surface methodology.  - international journal of materials research.  204-213. 

siti atiqa al zahra mat darus, mariyam jameelah ghazali, che husna azhari, rozli zulkifli, ahmad adlie shamsuri.  (2020).  mechanical properties of gigantochloa scortechinii bamboo particle reinforced semirigid polyvinyl chloride composites.  - jurnal teknologi.  15-22. 

lindani koketso ncube, albert uchenna ude, enoch nifise ogunmuyiwa, rozli zulkifli, isaac nongwe beas.  (2020).  environmental impact of food packaging materials: a review of contemporary development from conventional plastics to polylactic acid based materials.  - materials.  1-24. 

zainuddin bin sajuri;che husna bt. azhari;andanastuti muchtar;rozli bin zulkifli;mohd. zaidi bin omar;shahrum bin abdullah;mariyam jameelah binti ghazali;abu bakar bin sulong;intan fadhlina binti mohamed.  (2020).  development of light weight materials for ballistic applications in tropical climates.  - .  . 

norjamalullail tamri, rozli zulkifli, che husna azhari, albert uchenna ude.  (2020).  fibre insert mould for injection moulding.  - jurnal kejuruteraan.  51-57. 

abeer adel salih, rozli zulkifli, che husna azhari.  (2020).  tensile properties and microstructure of single cellulosic bamboo fiber strips after alkali treatment.  - fibers.  1-10. 

ahmad kamal ariffin, azmin sham rambely, rozli zulkifli, raihanah mohd. mydin, muhammad helmi norman, sufeera rahmad, muhammad fahmi mike abdullah, raja norlilawati raja muda, nur fadzilla yusoff.  (2020).  laporan pelaksanaan pembelajaran aktif ukm sem 1 20192020.  - .  1-85. 

norjamalullail tamri, rozli zulkifli, che husna azhari.  (2020).  pemilihan parameter utama pengacuan suntikan dalam pemprosesan polimer ulasan ilmiah.  - jurnal kejuruteraan.  79-90. 

razieh. k. haddad, rozli zulkifli, cristian maluk and zambri harun.  (2020).  experimental investigation on the influences of different horizontal fire locations on smoke temperature stratification under tunnel ceiling.  - journal of applied fluid mechanics.  1289-1298. 

meor syazalee, rozli zulkifli.  (2019).  effect of humidity on the mechanical properties of kenaf yarn fibre polylactic acid biocomposites.  - jurnal teknologi.  171-177. 

shahrir bin abdullah;yusoff bin ali;rozli bin zulkifli;taib iskandar bin mohamad;azli bin arifin;elankovan a/l a sundararajan;mohammad khatim bin hasan;mariyam jameelah binti ghazali;azhari bin shamsudeen.  (2019).  computationally optimised fuel-efficient concept car.  - .  1-8. 

mahir faris abdullah, humam kareem, rozli zulkifli, zambri harun, shahrir abdullah, wan aizon w. ghopa.  (2019).  heat transfer and flow structure of multiple jet impingement mechanisms on a flat plate for turbulent flow.  - international journal of mechanical and mechatronics engineering.  141-160. 

mahir faris abdullah, rozli zulkifli, zambri harun, shahrir abdullah, wan aizon wan ghopa, asmaa soheil najm, noor humam sulaiman.  (2019).  impact of the tio2 nanosolution concentration on heat transfer enhancement of the twin impingement jet of a heated aluminum plate.  - micromachines.  1-22. 

abeer adel salih, rozli zulkifli, che husna azhari.  (2019).  water absorption behaviour and its effect on the mechanical properties of gigantochloa scortechinii (buluh simantan).  - international journal of microstructure and materials properties.  184-201. 

abeer adel salih, rozli zulkifli, che husna azhari.  (2019).  mechanical and morphological properties of bamboo mesoparticle nylon 6 composites.  - international journal of materials research.  130-136. 

mahir faris abdullah, rozli zulkifli, zambri harun, shahrir abdullah, wan aizon wan ghopa.  (2018).  experimental and numerical simulation of the heat transfer enhancement on the twin impingement jet mechanism.  - energies.  . 

majid jafarzadehghoushji, r. alebrahim, rozli zulkifli, abu bakar sulong, shahrum abdullah, che husna azhari.  (2018).  crashworthiness characteristics of natural ramie/bio-epoxy composite tubes for energy absorption application.  - iranian polymer journal.  . 

nur irmawati om, rozli zulkifli, p. gunnasegaran.  (2018).  the influence of different types of nanofluid on thermal and fluid flow performance of liquid cold plate.  - international journal of engineering & technology.  . 

mahir faris abdullah, rozli zulkifli, zambri harun, shahrir abdullah, wan aizon wan ghopa, ashraf amer abbas.  (2018).  heat transfer augmentation based on twin impingement jet mechanism.  - international journal of engineering & technology.  . 

eslam r. lotfy, wan mohd. faizal wan mahmood, rozli zulkifli dan zambri harun.  (2018).  cfd simulation of automotive pollutant dispersion in high-rise building urban environment under deeply stable atmospheric condition.  - international journal of engineering and technology (uae).  . 

rozli zulkifli, che husna azhari.  (2018).  mode ii interlaminar fracture properties of treated silk fibre/epoxy composites at low and high temperature range.  - international journal of engineering & technology.  . 

nur irmawati om, rozli zulkifli, p. gunnasegaran.  (2018).  influence of the oblique fin arrangement on the fluid flow and thermal performance of liquid cold plate.  - case studies in thermal engineering.  . 

mohd faizal mat tahir, mohd hasif nawi, rozli zulkifli, elwaleed awen khider, siti munirah mat yunoh.  (2018).  the effect of thickness and density on the acoustics properties of ceiba pentandra natural fiber.  - arpn journal of engineering and applied sciences.  . 

che husna azhari, abu bakar sulong & rozli zulkifli.  (2017).  advances in material processing & integrity - non metals and hybrids.  - .  215. 

che husna azhari, abu bakar sulong, rozli zulkifli.  (2017).  advances in materials processing and integrity non metals and hybrids.  - .  177. 

mahir faris abdullah, rozli zulkifli, zambri harun, shahrir abdullah, wan aizon w.ghopa.  (2017).  studying of convective heat transfer over an aluminum flat plate based on twin jets impingement mechanism for different reynolds number.  - international journal of mechanical & mechatronics engineering (ijmme) the international journals of engineering and sciences (ijens).  1-16. 

che husna azhari, abu bakar sulong & rozli zulkifli.  (2017).  advances in materials : processing and integrity non metals and hybrids.  - .  215. 

che husna azhari, abu bakar sulong & rozli zulkifli.  (2017).  advances in materials processing and integrity non-metals and hybrids.  - .  7. 

majid j ghoushji, rahim a eshkoor, rozli zulkifli, abu b sulong, shahrum abdullah and che h azhari.  (2017).  energy absorption capability of axially compressed woven natural ramie/green epoxy square composite tubes.  - journal of reinforced plastics and composites.  . 

mohd zaidi omar, rozli zulkifli, rosdiadee nordin, zulkifli mohd nopiah, mohd farid mohamed, suraya shahril, wan nor roslam wan isahak, azhari shamsudeen, mohd huzairi johari, muhamad fadle mohamad abu sadin & siti hajar mohammad.  (2017).  research bulletin innovate-engineering and built environment (vol 10).  - .  1-144. 

poorya ooshaksaraei, kamaruzzaman sopian, saleem h. zaidi, rozli zulkifli.  (2017).  performance of four air-based photovoltaic thermal collectors configurations with bifacial solar cells.  - renewable energy.  279-293. 

faraziah hassan, rozli zulkifli, mariyam jameelah ghazali, che husna azhari.  (2017).  kenaf fiber composite in automotive industry: an overview.  - international journal on advanced science, engineering and information technology.  315-321. 

zambri harun, eslam reda dan rozli zulki.  (2017).  buoyancy effect on atmospheric surface layer: measurements from the east coast of malaysia.  - fifteenth asian congress of fluid mechanics (15acfm).  1-7. 

poorya ooshaksaraei, kamaruzzaman sopian, saleem h. zaidi, rozli zulkifli.  (2017).  performance of four air based photovoltaic thermal collectors configurations with bifacial solar cells.  - renewable energy.  279-293. 

rozli zulkifli, a.u ude & c.h azhari.  (2017).  advances in material processing & integrity - non metals and hybrids.  - .  12. 

ghoushji, m.j., eshkoor, r.a., zulkifli, r., sulong, a.b., abdullah, s., azhari, c.h..  (2017).  energy absorption capability of axially compressed woven natural ramie/green epoxy square composite tubes.  - journal of reinforced plastics and composites.  1028-1037. 

f. hassan, r. zulkifli, m.j. ghazali, c.h. azhari.  (2017).  flexural properties of kenaf fibre mat reinforced pla composites.  - journal of applied environmental and biological sciences.  30-35. 

sim, j.s.t., zulkifli, r., abdullah, s., harun, z..  (2017).  analysis of boost conversion process for a thermoelectric module.  - international journal of advanced mechatronic systems.  144-150. 

abdullah, m.f., zulkifli, r., harun, z., abdullah, s., ghopa, w.a.w., abbas, a.a..  (2017).  experimental investigation on comparison of local nusselt number using twin jet impingement mechanism.  - international journal of mechanical and mechatronics engineering.  60-75. 

mohd azwan husin, rozli zulkifli, shahrum abdullah and wan ramli wan daud.  (2016).  mode ii delamination of woven mengkuang fiber/woven silk laminated hybrid composites.  - materials testing.  374-380. 

badrullzamin mohd yassin, rozli zulkifli, wan ramli wan daud, shahrum abdullah.  (2016).  flexural behaviour of uni-directional kenaf composites using experimental and simulation methods.  - international journal of mechanical & mechatronics engineering.  57-64. 

zaliha wahid; sallehuddin mohamed haris; nizaroyani saibani; jaharah a. ghani; rozli zulkifli; mohd radzi abu mansor.  (2016).  examination achievement of engineering students from ukm and ude: a comparison.  - pertanika journal of social sciences and humanities.  229-238. 

wan fathul hakim w zamri, shahrum abdullah, mohd zaidi omar, rozli zulkifli, mohammad rasidi mohammad rasani, zambri harun, wan aizon wan ghopa, and intan fadhlina mohamed.  (2016).  pemantapan analisis komputeran dan penghasilan video pendek dalam projek reka bentuk ke arah penyediaan jurutera kompetan.  - prosiding k-novasi pengajaran & pembelajaran ukm.  55-61. 

mohd azwan husin, rozli zulkifli, shahrum abdullah, wan ramli wan daud.  (2016).  kelakuan delaminasi komposit laminat hibrid anyaman gentian mengkuang/ gentian alat sutera/ epoksi.  - jurnal teknologi.  67-74. 

zambri harun, wan aizon w. ghopa, shahrir abdullah, m. izhar ghazali, ashraf amer abbas, mohd rasidi rasani, rozli zulkifli, wan mohd faizal wan mahmood, mohd radzi abu mansor, zulkhairi zainol abidin.  (2016).  the development of a multi purpose wind tunnel.  - jurnal teknologi.  63-70. 

mohd zaidi omar, rozli zulkifli, rosdiadee nordin, zulkifli mohd nopiah, mohd farid mohamed, suraya shahril, wan nor roslam wan isahak, roslena md zaini, azhari shamsudeen, mohd huzairi johari & siti hajar mohammad.  (2016).  research bulletin innovate-engineering and built environment.  - .  . 

mohd radzi abu mansor, norhidayah mat taib, zambri harun, hawa hishamuddin, zulkhairi zainol abidin, rozli zulkifli, shahrum abdullah, azhari shamsudeen.  (2016).  the implementation of cdio concept in shell eco-marathon competition in nurturing future engineers.  - prosiding peka2015 k-novasi pengajaran dan pembelajaran (pendidikan kejuruteraan dan alam bina).  161-168. 

mohd zaidi omar, rozli zulkifli, rosdiadee nordin, zulkifli mohd nopiah, mohd farid mohamed, suraya shahril, wan nor roslam wan isahak, roslena binti md zaini, azhari shamsudeen, mohd huzairi johari, siti hajar mohammad.  (2016).  research bulletin (engineering & built environment).  - .  1-122. 

mohd rashdan awang, rozli zulkifli and shahrir abdullah.  (2015).  minichannel lcp for ev battery cooling: effect of fin spacing.  - international journal of mechanical & mechatronics engineering.  68-73. 

eshkoor r.a., ude a.u., sulong a.b., zulkifli r., ariffin a.k., azhari c.h..  (2015).  energy absorption and load carrying capability of woven natural silk epoxy - triggered composite tubes.  - composites part b: engineering.  10-18. 

mohd azwan husin, rozli zulkifli, shahrum abdullah, wan ramli wan daud.  (2015).  effect of naoh concentration on mode ii critical strain energy release, giic for woven mengkuang fibre reinforced epoxy laminated composites.  - international journal of mechanical & mechatronics engineering.  26-31. 

hyder h. balla, shahrir abdullah, wan mahmood wan mohd faizal, rozli zulkifli, kamaruzaman sopian.  (2015).  enhancement of heat transfer coefficient multi-metallic nanofluid with anfis modeling for thermophysical properties.  - thermal science.  1613-1620. 

zambri harun, w. a. w. ghopa, s. abdullah, m. izhar ghazali, ashraf a. abbas, m. r rasani, rozli zulkifli, w. m f. wan mahmood, m r abu mansor, z. z. abidin and wan hanna melini wan mohtar.  (2015).  the development of a multi-purpose wind tunnel.  - 3rd international conference on recent advances in automotive engineering & mobility research (recar 2015).  . 

jason sim, rozli zulkifli, shahrir abdullah, zambri harun.  (2015).  voltage stabilization of thermoelectric modules using a boost converter.  - international journal of mechanical & mechatronics engineering.  115-122. 

l. h. jawad, s. abdullah, r. zulkifli, w. m. f. w. mahmood.  (2014).  numerical study on the effect of interaction vaned diffuser with impeller on the performance of a modified centrifugal compressor.  - journal of mechanics.  30(2): 113-122. 

rozli zulkifli, shahrum abdullah, sallehuddin mohamed haris, zulkifli mohd nopiah, zambri harun, mohd radzi abu mansor dan nor kamaliana khamis.  (2014).  automotive engineering and mobility research.  - .  714. 

ooshaksaraei p., aghili k., sopian k., zulkifli r., zaidi s.h..  (2014).  steady state characterization of bifacial solar cells at different configurations of air-based photovoltaic thermal solar panels.  - journal of renewable and sustainable energy.  . 

r.a. eshkoor, a.u. ude, s.a. oshkovr, a.b. sulong, r. zulkifli, a.k. ariffin, c.h. azhari.  (2014).  failure mechanism of woven natural silk/epoxy rectangular composite tubes under axial quasi-static crushing test using trigger mechanism.  - international journal of impact engineering.  53-61. 

jason sim, rozli zulkifli and shahrir abdullah.  (2014).  conceptual thermosyphonic loop cooled thermoelectric power cogeneration system for automotive applications.  - applied mechanics and materials.  294-298. 

ali ahmed gitan, rozli zulkifli, kamaruzaman sopian, shahrir abdullah.  (2014).  twin pulsating jets impingement heat transfer for fuel preheating in automotives.  - applied mechanics and materials.  322-328. 

jason s.t. sim, rozli zulkifli, m.f.mat tahir, a.k. elwaleed.  (2014).  recycled paper fibres as sound absorbing material.  - applied mechanics and materials.  459-463. 

elwaleed awad khidir , nik abdullah nik mohamed, mohd jailani mohd nor, mohd faizal mat tahir, rozli zulkifli.  (2014).  a preliminary study on the sound absorption of date palm fibers.  - applied mechanics and materials.  406-410. 

elwaleed awad khidir, nik abdullah nik mohamed, mohd jailani mohd nor, mohd faizal mat tahir, rozli zulkifli, mohd zaki nuawi.  (2014).  effect of density on the sound absorption of date palm fibers.  - applied mechanics and materials.  437-441. 

n.s.s. selamat, mohd faizal mat tahir, rozli zulkifli, mohd jailani mohd nor, mohd anas mohd sabri, a.k. elwaleed, m.y. siti-munirah.  (2014).  development of semi-active panel design for sound absorption.  - applied mechanics and materials.  421-425. 

arifin a.m.t., abdullah s., rafiquzzaman m., zulkifli r., wahab d.a..  (2014).  failure characterisation in polymer matrix composite for un-notched and notched (open-hole) specimens under tension condition.  - fibers and polymers.  1729 - 1738. 

rozli zulkifli and che husna azhari.  (2014).  advances in materials processing.  - .  166-183. 

a. m. t. ariffin, s. abdullah, md. rafiquzzaman, r. zulkifli, d. a. wahab & a. k. ariffin.  (2014).  investigation of the behaviour of a chopped strand mat/woven roving/foam-klegecell composite lamination structure during charpy testing.  - materials and design.  59:475-485. 

a.u. ude, r.a. eshkoor, r. zulkifili, a.k. ariffin, a.w. dzuraidah, c.h. azhari.  (2014).  bombyx mori silk fibre and its composite: a review of contemporary developments.  - materials and design.  57(2014):298-305. 

ali ahmed gitan,rozli zulkifli,shahrir abdullah,kamaruzzaman sopian.  (2014).  development of pulsating twin jets mechanism for mixing flow heat transfer analysis.  - the scientific world journal.  2014;1-8. 

md. ayub, mohammad hosseini fouladi, masomeh ghassem, mohd jailani mohd nor, hamidreza soheili najafabadi, nowshad amin, rozli zulkifli.  (2014).  analysis on multiple perforated plate sound absorber made of coir fiber.  - international journal of acoustics and vibration.  203-211. 

elwaleed awad khidir, mojahed osman mohammed ali, mohammed mustafa ali, mohd faizal bin mat tahir, rozli zulkifli.  (2014).  analysis of sound absorption of date palm fibers based on flow resistivity.  - applied mechanics and materials - 4th international conference on noise, vibration and comfort (nvc 2012).  285-290. 

zambri harun, muhammad syafiq, mohd rasidi rasani, shahrum abdullah, rozli zulkifli, wan mohd faizal wan mahmood, mariyam jameelah ghazali, che husna azhari, mohd radzi abu mansor, zulkhairi, ashraf.  (2014).  skin friction coefficient and boundary layer trend on ukm aster i-bond.  - applied mechanics and materials.  450-455. 

layth h. jawad, s. abdullah, r. zulkifli, and w.m.f.w. mahmood.  (2013).  numerical investigation on the effect of impeller trimming on the performance of a modified compressor.  - cfd letters.  5(4):174-178. 

r.zulkifli, m.m.mustafa, s.abdullah, w.m.f. w.mahmood, a. ariffin, z. harun, n. jamaluddin, m. j. ghazali, n. saibani, r. ramli, z. z. abidin, f.m. tahir, m. a. m. sobri, a. shamsuddeen, z. m. nopiah.  (2013).  benefits of participating in national and international automotive challenge for ukm engineering students.  - international conference on engineering education (icee) 2013.  . 

p. ooshaksaraei, k. sopian, r. zulkifli, and saleem h. zaidi.  (2013).  characterization of air-based photovoltaic thermal panels with bifacial solar cells.  - international journal of photoenergy.  2013:Article ID 978234. 

k. sopian, p. ooshaksaraei, a. fudholi, r. zulkifli, s.h. zaidi, hussein a. kazeem.  (2013).  performance characterization of single path and double path air based bifacial photovoltaic thermal solar collector.  - recent advances in energy, environment and geology : 2nd international conference on energy systems, environment, entrepreneurship and innovation (iceseei `13).  . 

behrang daryakenari, shahrir abdullah, rozli zulkifli.  (2013).  reducing vehicle drag force through a tapered rear side wall.  - sae international journal of commercial vehicles.  6(2):582-588. 

b. daryakenari, s. abdullah, r. zulkifli, e. sundararajan, a. b. mohd sood.  (2013).  numerical study of flow over ahmed body and a road vehicle and the change in aerodynamic characteristics caused by rear spoiler.  - international journal of fluid mechanics research.  40(4):354-372. 

mohd marzuki mustafa, salina abdul samad, abdul wahab mohammad, azami zaharim, amiruddin ismail, rozli zulkifli, roslena md zaini, azhari bin shamsudeen, mohd huzairi bin johari, sharifah noor munirah.  (2013).  laporan tahunan pusat kecemerlangan fkab 2013.  - laporan tahunan.  . 

elwaleed awad khidir, nik abdullah nik mohamed, mohd jailani mohd nor, mohd faizal mat tahir, rozli zulkifli.  (2013).  experimental investigation of sound absorption properties of perforated date palm fibers panel.  - iop conference series: materials science and engineering (moime 2013).  . 

r.a. eshkoor, s.a. oshkovr, a.b. sulong, r. zulkifli, a.k. ariffin, c.h. azhari.  (2013).  comparative research on the crashworthiness characteristics of woven natural silk/epoxy composite tubes.  - materials and design.  47:248-257. 

r.a. eshkoor, s.a. oshkovr, a.b. sulong, r. zulkifli, a.k. ariffin, c.h. azhari.  (2013).  effect of trigger configuration on the crashworthiness characteristics of natural silk epoxy composite tubes.  - composites part b: engineering.  55:5-10. 

hyder h. balla, shahrir abdullah, wan mohd faizal wan mahmood, m. abdul razzaq, rozli zulkifli, kamaruzaman sopian.  (2013).  modelling and measuring the thermal conductivity of multi-metallic zn/cu nanofluid.  - research on chemical intermediates.  39(6):2801-2815. 

hyder h. balla, shahrir abdullah, wan mohd faizal wan mahmood, rozli zulkifli, kamaruzaman sopian.  (2013).  numerical study of the enhancement of heat transfer for hybrid cuo-cu nanofluids flowing in a circular pipe.  - journal of oleo science.  62(7):533-539. 

zhi li, min you, gang-yan li, jianping wang and rozli zulkifli.  (2013).  influencing factors on stress distribution of weld bonding joint under bending load.  - journal of applied sciences.  13(20):4153-4157. 

hyder h. balla, shahrir abdullah, emad a. jaffar al-mulla, wan mohd faizal wan mahmood, rozli zulkifli, kamaruzaman sopian.  (2013).  effect of reynolds number on heat transfer and flow for multi-oxide nanofluids using numerical simulation.  - research on chemical intermediates.  39(5):2197-2210. 

b. daryakenari, s. abdullah, r. zulkifli, a. shamsudeen.  (2012).  numerical study of multiple channel road vehicle underbody diffusers.  - international review of mechanical engineering.  6(3):583-587. 

rozli zulkifli, mohd marzuki mustafa, shahrum abdullah, w.m.f. wan mahmood, a. ariffin, z. harun, m. j. ghazali, n. saibani, r. ramli, z.z. abidin, f.m. tahir, m.a. mohd sabri & a. shamsuddeen.  (2012).  persepsi pelajar fakulti kejuruteraan dan alam bina terhadap manfaat menyertai pertandingan automotif peringkat kebangsaan dan antarabangsa.  - kongres pengajaran dan pembelajaran 2012 - seminar pendidikan kejuruteraan dan alam bina 2012.  . 

layth h. jawad, s. abdullah, r. zulkifli and w.m.f.w. mahmood.  (2012).  numerical simulation of flow inside a modified turbocharger centrifugal compressor.  - asian journal of applied sciences.  5(8):563-572. 

rozli zulkifli, ali ahmed gitan, kamaruzzaman sopian, shahrir abdullah.  (2012).  multiple pulsating jets mechanism for heat transfer enhancement.  - international review of mechanical engineering.  6(3):654-658. 

hyder h. balla, shahrir abdullah, rozli zulkifli, wan mohd faizal and kamaruzzaman sopian.  (2012).  effect of oxides nanoparticle materials on the pressure loss and heat transfer of nanofluids in circular pipes.  - journal of applied sciences.  12(13):1396-1401. 

lukeman yusoff, lim fang yau, shahrir abdullah, rozli zulkifli, azhari shamsudeen and mohammad khatim hasan.  (2012).  underhood fluid flow and thermal analysis for passenger vehicle.  - regional conference on automotive research, recar 2011;kuala lumpur (applied mechanics and materials).  . 

layth h. jawad, shahrir abdullah, rozli zulkifli and wan mohd f. wan mahmood.  (2012).  numerical simulation of flow inside a vaned diffuser of a modified centrifugal compressor.  - 18th australasian fluid mechanics conference (afmc).  . 

m. f. mat tahir, m. z. nuawi, r. zulkifli, s. abdullah, m. a. mohd sabri.  (2012).  study on correlation of sound absorption coefficient for automotive noise absorption panel material by using sabine method and z-octave method.  - international review of mechanical engineering (ireme).  6(3):640-643. 

ahmad rasdan ismail, shashi kumar s a karagaratnan, rozli zulkifli, baba md deros, mohd nizam abdul rahman.  (2012).  a review on thermal comfort assessment in malaysian industries.  - jurnal teknologi (sciences & engineering).  59:7-11. 

nazlia omar,syahidah sufi haris, rosilah hassan, haslina arshad, masura rahmat, noor faridatul ainun zainal & rozli zulkifli.  (2012).  automated analysis of exam questions according to bloom`s taxonomy.  - procedia social and behavioral sciences - ukm teaching and learning congress 2011.  . 

md. ayub, mohd jailani mohd nor, mohammad hosseini fouladi, rozli zulkifli and nowshad amin.  (2012).  a practical acoustical absorption analysis of coir fiber based on rigid frame modeling.  - acoustical physics.  58(2);246-255. 

zulkifli, r., thye, t.k., tahir, m.f.m., ismail, a.r., nor, m.j.m..  (2012).  automotive noise insulation composite panel using natural fibres with different perforation areas.  - regional conference on automotive research, recar 2011;kuala lumpur (applied mechanics and materials).  . 

jawad, l.h., abdullah, s., zulkifli, r., mahmood, w.m.f.w..  (2012).  modelling of centrifugal compressor impellers using adaptive neuro- fuzzy inference systems (anfis).  - international review of mechanical engineering.  6(5):1011-1017. 

wan mohd faizal w.m., mohd anas m.s., mohd faizal m.t., azli a., rozli z., nordin j., sallehuddin m.h., rizauddin r., shahrum a., shahrir a. and azhari s..  (2012).  car body and chassis development of ukm carevo for perodua eco-challenge 2011.  - regional conference on automotive research, recar 2011;kuala lumpur (applied mechanics and materials).  . 

jawad, l.h., abdullah, s., zulkifli, r., mahmood, w.m.f.w..  (2012).  prediction of centrifugal compressor performance by using adaptive neuro-fuzzy inference system (anfis).  - international review on modelling and simulations.  5(4):1580-1587. 

eshkour, ra; ariffin, ak; zulkifli, r; sulong, ab; azhari, ch.  (2012).  the failure mode of natural silk epoxy triggered composite tubes.  - 1st international conference on mechanical engineering research 2011 (icmer);kuantan ( iop conference series-materials science and engineering).  . 

b. daryakenari, s. abdullah, r. zulkifli, e. sundararajan, a. b. mohd sood.  (2012).  reducing the aerodynamic forces through a rear spoiler.  - international review on modelling and simulations.  5(6): 2512-2517. 

muhammd nubli zulkifli, azman jalar, shahrum abdullah, roslinda shamsudin and rozli zulkifli.  (2012).  hardness variation of ball bond wire bonding.  - advanced materials research.  . 

rozli zulkifli, zulkarnain, mohd jailani mohd nor, shahrum abdullah.  (2011).  perforated plate backing with coconut fiber as sound absorber for low and mid range frequencies.  - 8th international conference on fracture and strength of solids 2010, feofs2010 (key engineering materials); kuala lumpur.  . 

rozli zulkifli and che husna azhari.  (2011).  effect of silane concentrations on mode i interlaminar fracture of woven silk/epoxy composites.  - 2010 international conference on advances in materials and manufacturing processes, icammp 2010; shenzhen(advanced materials research).  . 

zulkarnain; zulkifli, r; nor, mjm.  (2011).  effect of porous layer backing and perforation ratio of perforated plate on acoustic characteristics of coconut fibre as a sound absorbent.  - sains malaysiana.  40(6):623-629. 

m. ayub, r. zulkifli, m.h. fouladi, n. amin, m.j.m. nor.  (2011).  a study on the acoustical absorption behavior of coir fiber using miki model.  - international journal of mechanical and materials engineering.  6(3):343-349. 

b. daryakenari, s. abdullah, r. zulkifli, e. sundararajan.  (2011).  numerical study of multiple channel road vehicle underbody diffusers.  - regional conference on automotive research 2011.  . 

r a eshkour, a k ariffin, r zulkifli, a b sulong and c h azhari.  (2011).  the failure mode of natural silk epoxy triggered composite tubes.  - 1st international conference in mechanical engineering research (icmer) 2011.  . 

lukeman yusoff, lim fang yau, shahrir abdullah, rozli zulkifli, azhari shamsudeen, mohammad katim hassan.  (2011).  underhood fluid flow and thermal analysis for passenger vehicle.  - regional conference on automotive research (recar) 2011.  . 

p. ooshaksaraei, r. zulkifli, s. h. zaidi, m. alghoul, a. zaharim, k. sopian.  (2011).  terrestrial applications of bifacial photovoltaic solar panels.  - proceedings of the 10th wseas international conference on system science and simulation in engineering (icossse `11),ukm.  . 

m.a. mussa, s. abdullah, c.s. nor azwadi, r. zulkifli.  (2011).  lattice boltzmann simulation of cavity flows at various reynolds numbers.  - international review on modelling and simulations.  4(4):1909-1919. 

md. ayub, mohd jailani mohd nor, rozli zulkifli, mohammad hosseini fouladi and nowshad amin.  (2011).  effect of porosity on the use of multiple perforated plates with coir fiber acoustic absorber.  - 18th international congress on sound and vibration (icsv18).  . 

elwaleed awad khidir, mohd jailani mohd nor, rozli zulkifli, mohd faizal mat tahir, zulkarnain.  (2011).  studies on flame retardants on malaysian coir fiber.  - proceeding of the international conference on advanced science, engineering and information technology 2011, hotel equatorial bangi-putrajaya, malaysia, 14 - 15 january 2011.  . 

rozli zulkifli, mohd faizal mat tahir, mohd jailani mohd nor & ahmad rasdan ismail.  (2011).  pekali penyerapan bunyi dan indek kehilangan penghantaran panel penyerap bunyi menggunakan gentian sabut kelapa.  - jurnal teknologi.  54:13-24. 

ahmad rasdan ismail, norfadzilah jusoh, mohd. nizam ab. rahman, rozli zulkifli and kumaran kardigama.  (2011).  thermal comfort assessment at parcel and logistic industry: a field study in malaysia.  - the institution of engineering journal.  72(3):36-40. 

zulkarnain, rozli zulkifli & mohd jailani mohd nor.  (2011).  kesan lapisan berliang dan nisbah keluasan plat berlubang terhadap ciri akustik serabut sabut kelapa sebagai bahan penyerap bunyi.  - sains malaysiana.  40(6):623-629. 

shahrir abdullah, azli arifin, lim fang yau, behrang daryakanari, lukeman yusoff, mohd aizat ahmad tarmizi, azhari shamsudeen, rozli zulkifli, taib iskandar mohamad, elankovan a. sundararajan, mohamad.  (2011).  numerical analysis of aerodynamic and underhood thermal management for a fuel-efficient vehicle.  - proceedings of computationally optimised fuel-effiecient concept car: volume iv (cofec) ukm.  . 

m.z. nuawi, taib i. mohamad, m. f. h. hussin, s. abdullah, r. zulkifli, m.k. zakaria.  (2010).  preliminary study of condition-based monitoring (cbm) on automotive gearbox using ultrasonic signals.  - world applied sciences journal.  9(2):118-126. 

r.zulkiflili, c.h. azhari.  (2010).  interfacial treatment of multi-layer woven silk/epoxy composites.  - international review of mechanical engineering.  4(1):1-6. 

m. ayub, mohd jailani mohd nor, nowshad amin, rozli zulkifli, azli arifin.  (2010).  development of an automated acoustic absorber panel using coir fiber.  - the 3rd regional conference on noise, vibration and comfort (nvc 2010).  . 

m. ayub, m. j. m. nor, n. amin, m. hosseini fouladi, r. zulkifli.  (2010).  analytical modeling technique for the prediction of coir fiber acoustical behaviour.  - 3rd regional conference on noise, vibration and comfort (nvc 2010).  . 

ahmad rasdan ismail, mohd jailani mohd nor, mohd faizal mat tahir, h. mohamad, r. a. bakar,rozli zulkifli.  (2010).  environmental noise impact to urban area in malaysia : a case study due to aircraft noise.  - 3rd regional conference on noise, vibration and comfort (nvc) 2010.  . 

rozli zulkifli, zulkarnain, mohd jailani mohd nor.  (2010).  noise absorption properties of coir fiber with porous layer facing.  - international review of mechanical engineering.  4(4):405-409. 

zulkarnain, rozli zulkifli, mohd jailani mohd nor.  (2010).  experimental study effect of perforation ratio and hole diameter of perforated plate backing with coconut fiber.  - 3rd regional conference on noise, vibration and comfort (nvc 2010).  . 

mohd jailani mohd nor, md. ayub, rozli zulkifli, nowshad amin and mohammad hosseini fouladi.  (2010).  effect of different factors on the acoustic absorption of coir fiber.  - journal of applied sciences.  10(22):2887-2892. 

rozli zulkifli.  (2010).  pulsating jet impingement heat transfer.  - koleksi laporan penyelidikan ukm.  . 

rozli zulkifli and che husna azhari.  (2010).  interfacial treatment of multi-layer woven silk reinforced epoxy composites.  - advanced materials research.  . 

b. daryakenari, s. abdullah, f.y. lim, r. zulkifli & e. sundararajan.  (2010).  effect of angular rear bumper on the reduction of drag coefficient on ahmed body.  - international conference on sustainable mobility (icsm 2010), kuala lumpur.  . 

r. zulkifli, k. sopian, s. abdullah, m. s. takriff.  (2010).  analysis of pulse air jet flow profiles.  - international review of mechanical engineering.  4(5):495-501. 

mohd jailani mohd nor, md. ayub, rozli zulkifli, nowshad amin and mohammad hosseini fouladi.  (2010).  effect of compression on the acoustic absorption of coir fiber.  - american journal of applied sciences.  7(9):1285-1290. 

zulkifli r., azhari c.h.
.  (2010).  interfacial treatment of multi-layer woven silk reinforced epoxy composites.  - advanced materials research.  . 

zulkifli r., zulkarnain, nor m.j.m..  (2010).  noise control using coconut coir fiber sound absorber with porous layer backing and perforated panel.  - american journal of applied sciences.  7(2):260-264. 

a.r. ismail, r. ismail, r. zulkifli, n. k. makhtar, b. m. deros.  (2009).  a study on implementation of preventive maintenance programme at malaysia palm oil mill.  - european journal of scientific research.  29(1):126-135. 

rozli zulkifli, kamaruzzaman sopian, shahrir abdullah and mohd sobri takriff.  (2009).  comparison of local nusselt number between steady and pulsating jet at different jet reynolds number.  - wseas transactions on environment and development.  5(5):384-393. 

rozli zulkifli, kamaruzzaman sopian, shahrir abdullah, mohd sobri takriff.  (2009).  comparison of local nusselt number for steady and pulsating circular jet at reynolds number of 16000.  - european journal of scientific research.  29(3):369-378. 

rozli zulkifli, mohd jailani mohd nor, ahmad rasdan ismail, mohd zaki nuawi, mohd faizal mat tahir.  (2009).  effect of perforated size and air gap thickness on acoustic properties of coir fibre sound absorption panels.  - european journal of scientific research.  28(2):242-252. 

a. r. ismail. n. jusoh, k. sopian, i.m.s. usman, r. zulkifli, m.n.a. rahman.  (2009).  thermal comfort assessment: a study at malaysia car manufacturer.  - european journal of scientific research.  27(4):510-523. 

rozli zulkifli, che husna azhari, maryam j. ghazali, ahmad rasdan ismail, abu bakar sulong.  (2009).  interlaminar fracture toughness of multi-layer woven silk/epoxy composites treated with coupling agent.  - european journal of scientific research.  27(3):454-462. 

rozli zulkifli, kamaruzzaman sopian, shahrir abdullah, mohd sobri takriff.  (2009).  correlations of percentage increases in local nusselt number with radial distance for steady and pulsating jet.  - international review of mechanical engineering.  3(5): 613-618. 

abdullah s., fahruddin a., syarif j., omar m.z., zulkifli r..  (2009).  fatigue crack growth modelling of fibre metal laminate (fml) composite.  - european journal of scientific research.  35(1):43-53. 

zulkifli r..  (2009).  surface fracture analysis of glass fibre reinforced epoxy composites treated with different type of coupling agent.  - european journal of scientific research.  29(1):55-65. 

rozli zulkifli and che husna azhari.  (2009).  tearing strength of wowen silk fibre/polyester composites.  - international engineering convention, damascus, syria, 11-14 may 2009.  . 

ismail a.r., manap a.h.a.a., wahab d.a., zulkifli r., makhtar n.k., sopian k..  (2009).  concurrent engineering approach in designing pressure vessel.  - european journal of scientific research.  30(2):245-252. 

ismail a.r., hashim e., ghani j.a., zulkifli r., kamilah n., rahman m.n.a..  (2009).  implementation of eis: a study at malaysian smes.  - european journal of scientific research.  30(2):215-223. 

a.r. ismail, m.l. yeo, m.h.m. haniff, r. zulkifli, b.m. deros, n.k. makhtar.  (2009).  assessment of postural loading among the assembly operators: a case study at malaysian automotive industry.  - european journal of scientific research.  30(2):224-235. 

omar n., zulkifli r., hassan r..  (2009).  development of a virtual laboratory for radiation heat transfer.  - european journal of scientific research.  32(4):562-571. 

omar n., ismail m.f., zulkifli r., hassan r..  (2009).  development of a real-time temperature and voltage monitoring system for semiconductor devices.  - european journal of scientific research.  34(2):168-177. 

sulong a.b., azhari c.h., zulkifli r., othman m.r., park j..  (2009).  a comparison of defects produced on oxidation of carbon nanotubes by acid and uv ozone treatment.  - european journal of scientific research.  33(2):295-304. 

rozli zulkifli, kamaruzzaman sopian, shahrir abdullah and mohd sobri takriff.  (2009).  flow structures of circular air jet at steady and different pulsating frequency.  - international engineering convention, damascus, syria, 11-14 may 2009.  . 

rozli zulkifli, kamaruzzaman sopian, shahrir abdullah and mohd sobri takriff.  (2009).  correlations between local nusselt number and reynolds for steady and pulsating circular jet.  - international journal of engineering and technology.  6(1): 9-20. 

md. ayub, mohd jailani mohd nor, nowshad amin, rozli zulkifli, mohammad hosseini fouladi, ahmed rasdan ismail.  (2009).  analysis on sound absorption of natural coir fiber using delany-bazley model.  - international conference on mechanical engineering 2009 (icme2009).  . 

rozli zulkifli, kamaruzzaman sopian, shahrir abdullah and mohd sobri takriff.  (2009).  correlations between local nusselt number and reynolds number for steady and pulsating circular jet.  - international engineering convention, damascus, syria, 11-14 may 2009.  . 

nazlia omar, mohd. faizal ismail, rozli zulkifli and rosilah hassan.  (2009).  a low-cost real-time temperature and voltage monitoring system.  - international engineering convention (intec 2009), damascus, syria, 11-14 may 2009..  . 

nazlia omar, rozli zulkifli and rosilah hassan.  (2009).  a web-based virtual laboratory for heat transfer.  - international conference on engineering education (intec 2009) ,madinah, saudi arabia, 15-18th may 2009..  . 

a.r. ismail, n. jusoh, r. zulkifli, k. sopian and b.m. deros.  (2009).  thermal comfort assessment: a case study at malaysian automotive industry.  - american journal of applied sciences.  6(8):1495-1501. 

a. r. ismail, m.j.m.nor, m.r.a. mansor, m.f.m.tahir, r.zulkifli.  (2009).  environmental noise assessment and modeling in malaysia: a comparative monitoring study.  - european journal of scientific research.  30(2):236-244. 

a. r. ismail, y. c. soon, s. abdullah, r. zulkifli, k. sopian, m.n.a. rahman.  (2009).  reverse engineering in fabrication of piston crown.  - european journal of scientific research.  29(1):136-146. 

khamis, n; ab rahman, mn; jamaludin, kr; ismail, ar; ghani, ja; zulkifli, r.  (2009).  development of 5s practice checklist for manufacturing industry.  - world congress on engineering 2009, vols i and ii.  . 

zulkifli r., nor m.j.m., ismail a.r., nuawi m.z., abdullah s., tahir m.f.m., rahman m.n.a..  (2009).  comparison of acoustic properties between coir fibre and oil palm fibre.  - european journal of scientific research.  33(1):144-152. 

rozli zulkifli, che husna azhari, k.s. pei and u. thanapel.  (2008).  mode i and mode iii fracture properties of woven silk fibre/polyester composites.  - indonesian nanoletter.  2(3):73-85. 

s. ataollahi, c.h. azhari, s.t. taher, a.a. oshkour, a.k. ariffin r. zulkifli.  (2008).  collapse modes of square tube silk/epoxy composite under quasi-static load.  - indonesian nanoletter.  2(3):1-4. 

rozli zulkifli, mohd jailani mohd nor, faizal mat tahir and ahmad rasdan ismail.  (2008).  acoustic properties of sound absorption panels using multi-layer coir fibres.  - proc. 13th international conference on applied mechanics and mechanical engineering (amme 13), 27-29 may 2008.  . 

a. r. ismail, m. r. a. rani, z. k. m. makhbul, j.a.ghani, m.tahir and r.zulkifli.  (2008).  optimum solution of environmental factors towards productivity improvement using taguchi method.  - proceedings of international conference on energy, environment, ecosystems and sustainable development (eeesd`08).  . 

a.r. ismail, m. radzi a.m., m.j.m.nor, m.z.nuawi, r. zulkifli, k.sopian.  (2008).  noise modeling scenario from industrial projects in malaysia.  - proceedings of international conference on energy, environment, ecosystems and sustainable development (eeesd`08).  . 

rozli zulkifli.  (2008).  heat transfer and fluid flow characteristics of self-rotating cylinder for high-frequency pulsed jet impingement (gup).  - seminar pemantauan projek penyelidikan (gup) 2007.  . 

a.r.ismail, m.r.a.mansor, m.j.m.nor, m.z.nuawi, r. zulkifli, m. n. ab. rahman and k. sopian.  (2008).  comparative studies and impact analysis of environmental noise modeling from malaysian industrial projects.  - wseas transactions on environment and development.  4(8):666-675. 

r. zulkifli, uchenna a. u., k.s. pei and azhari c.h..  (2008).  interlaminar fracture toughness of multi-layer woven silk fibre/polyester composites.  - proceedings of 13th international conference on applied mechanics and mechanical engineering, 27-29 may 2008, cairo, egypt.  . 

rozli zulkifli, koh su pei and che husna azhari.  (2008).  interlaminar fracture properties of multi-layer woven silk fibre/polyester composites.  - asian journal of applied sciences.  1(2):177-184. 

r. zulkifli, m.j. mohd nor, m.f. mat tahir, a.r. ismail and m. z. nuawi.  (2008).  acoustic properties of multi-layer coir fibres sound absorption panel.  - journal of applied sciences.  8(20):3709-3714. 

rozli zulkifli, kamaruzzaman sopian, shahrir abdullah and mohd sobri takriff.  (2008).  effect of pulsating circular hot air jet frequencies on local and average nusselt number.  - american journal of engineering and applied sciences.  1(1):58-62. 

nuawi m. z., abdullah s., ismail a. r., zakaria m. k., lamin f., hussin m. f. h.  (2008).  statistical analysis on ultrasonic signals measured on automobile engine block.  - proceeding of multimedia systems & signal processing (musp '08). 6th-8th april 2008, hangzhou, china.  . 

m. z. nuawi, s. abdullah, a. r. ismail, r. zulkifli, m. k. zakaria and m. f. h. hussin.  (2008).  a study on ultrasonic signals processing generated from automobile engine block using statistical analysis.  - wseas transactions on signal processing.  4(5):279-288. 

tjukup marnoto, wan ramli wan daud, kamaruzzaman sopian, rozli zulkifli, mohd nizam ab rahman, m. alghou and nowshad amin.  (2007).  performance of a grid connected solar hydrogen pv system in malaysia.  - proceeding 17th international photovoltaic science and engineering conference, 3-7 december 2007, fukuoka, japan..  . 

mohd jailani mohd nor, rozli zulkifli, mohd faizal mat tahir and ahmad rasdan ismail.  (2007).  comparison of acoustic properties between coconut coir fibre and oil palm fibre.  - regional conference on engineering mathematics, mechanics, manufacturing & architecture (em3arc) 2007.  . 

mohd jailani mohd nor, rozli zulkifli, mohd faizal mat tahir and ahmad rasdan ismail.  (2007).  innovative acoustic absorption panel design using natural fibre.  - proceedings on regional conference on advances in noise, vibration and comfort (nvc2007), 27-28 nov 2007, putrajaya..  . 

r. zulkifli , k. sopian.  (2007).  studies on pulse jet impingement heat transfer: flow profile and effect of pulse frequencies on heat transfer.  - proceedings 2nd international engineering convention 2007: globalisation in growing economies ? building capacity, 10-14 march 2007, jeddah, saudi arabia..  . 

kamaruzzaman sopian, sulaiman shaari, nowshad amin, rozli zulkifli, and mohd nizam abdul rahman.  (2007).  performance of a grid-connected photovoltaic system in malaysia.  - international journal of engineering and technology.  4(1):57-65. 

kamaruzzaman sopian, sulaiman shaari, rozli zulkifli and mohd nizam abdul rahman.  (2007).  performance of a grid-connected photovoltaic system in malaysia.  - proceedings 2nd international engineering convention 2007: globalisation in growing economies ? building capacity, 10 - 14 march 2007, jeddah, saudi arabia..  . 

mohd jailani mohd nor, nordin jamaluddin, mohd zaki nuawi, ahmad rasdan ismail, rozli zulkifli, mohd faizal mat tahir, mohd radzi abu mansor.  (2007).  a review of noise pollution scenario from industrial projects in malaysia.  - expert group meeting (group vii-jsps-vcc) toward research integration for making a manual on energy and urban structure, air quality modeling, and urban sound environment.  . 

tjukup marnoto, wan ramli wan daud, kamaruzzaman sopian, mohd nizam ab rahman, rozli zulkifli, m alghouand nowshad amin.  (2007).  economic analysis of a grid connected solar hydrogen pv system.  - proceedings 17th international photovoltaic science and engineering conference, 3-7 december 2007, fukuoka, japan,.  . 

mohd nizam ab. rahman, baba md deros, rozli zuklifli and ahmad rasdan ismail.  (2007).  a practical tool for small and medium enterprise quality performance improvement.  - iem journal.  68(3):56-64. 

rozli zulkifli and kamaruzzaman sopian.  (2007).  studies on pulse jet impingement heat transfer: flow profile and effect of pulse frequencies on heat transfer.  - international journal of engineering and technology.  4(1):86-94. 

rozli zulkifli and kamaruzzaman sopian.  (2006).  pulsating circular air jet impingement heat transfer.  - journal of institution of engineers malaysia.  67(3): 47-53. 

k. sopian, r. zulkifli, j. sahari, and m.y. othman.  (2002).  thermal performance of thermoplastic natural rubber solar collector.  - journal of material processing and technology, vol 123 (1).  123(2002):179-184.