Prosiding Terindeks

nurul huda abdul razak, kamaruzzaman sopian, nowshad amin, md akhtaruzzaman.  (2020).  investigation on the post-treatment after pulsed nd:yag laser texturing on silicon solar cells surfaces.  - proceedings of spie - energy harvesting and storage: materials, devices, and applications x.  1-7. 

nurul shahirah binti rukman, ahmad fudholi, nur farhana mohd razali, mohd hafidz ruslan, kamaruzzaman sopian.  (2019).  energy and exergy analyses of photovoltaic-thermal (pv/t) system with tio2/water nanofluid flow.  - iop conf. series: earth and environmental science.  1-8. 

zainab saberi, ahmad fudholi, kamaruzzaman sopian.  (2019).  potential evaluation of wind energy in kuala terengganu, malaysia through weibull distribution method.  - iop conf. series: earth and environmental science.  1-7. 

nurul shahirah binti rukman, ahmad fudholi, nur farhana mohd razali, mohd hafidz ruslan, kamaruzzaman sopian.  (2019).  investigation of tio2 and mwcnt nanofluids-based photovoltaicthermal (pv/t) system.  - iop conf. series: earth and environmental science.  1-6. 

m y zulakmal, a fudholi, n s rukman, s mat, h y chan, k sopian.  (2019).  solar photovoltaic/thermal-thermoelectric generator performance review.  - iop conf. series: earth and environmental science.  1-10. 

kamaruzzaman sopian, ali h.a. alwaeli, adnan ibrahim, hussein a. kazem.  (2019).  evaluation and design criteria of photovoltaic thermal (pv/t).  - materials today: proceedings.  1111-1119. 

ewe win eng, ahmad fudholi, chan hoy yen, nilofar asim, kamaruzzaman sopian.  (2019).  performance of solar air collector-thermoelectric hybrid system.  - iop conf. series: earth and environmental science.  1-5. 

zainab saberi, ahmad fudholi, zahari ibarahim, kamaruzzaman sopian.  (2019).  performance evaluation of absorber rod type solar air collector.  - iop conf. series: earth and environmental science.  1-7. 

mashasriyah ismail, norasikin ahmad ludin, norul hisham hamid, mohd adib ibrahim, kamaruzzaman sopian.  (2018).  the effect of chenodeoxycholic acid (cdca) in mangosteen (garcinia mangostana) pericarps sensitizer for dyesensitized solar cell (dssc).  - 6th international conference of solid state science and technology and workshop on advanced materials technology: growth and characterization, icssst amtgc 2017. 

mulyanef, duskiardi, kamaruzzaman sopian, kaidir, zulfika rahman.  (2018).  performance experimental study of solar still with reflector to produce fresh water and salt.  - matec web of conferences volume 248 (2018), 4th engineering science and technology international conference (estic 2018)..  1-6. 

m.a. alghoul, amer ali, f.v. kannanaikal, n. amin, and k. sopian.  (2017).  concise approach for determining the optimal annual capacity shortage percentage using technoeconomic feasibility parameters of pv power system.  - world renewable energy congress-17, bahrain. 

kamaruzzaman sopian, suhaila abdul hamid, baljit singh sarban singh, mohd yusof othman, chan hoyyen & saleem h. zaidi.  (2017).  performance of double pass pv/t combi solar collector with cpc: theoretical approach.  - proc of international conference in energy and sustainability in small developing economies (es2de). 

a.a. lahimer, m.a. alghoul, k. sopian, n. g. khrit.  (2017).  the effect of solar reflective cover on soak air temperature and thermal comfort of car parked under the sun.  - 17th world renewable energy congress, wrec 2016; university of bahrain (uob)manama; bahrain. 

k sopian, sl cheow & sh zaidi.  (2017).  an overview of crystalline silicon solar cell technology: past, present, and future.  - 4th international conference on the advancement of materials and nanotechnology, aip conference proceedings. 

kamaruzzaman sopian, azami zaharim, mohd syafiq zulfakar & norasikin ahmad ludin.  (2017).  review on recent performance titanium dioxide for flexible dye sensitized solar cell.  - energy and sustainability in small developing economies 2017. 

monadhil al-chaderchi, k. sopian, m. a. alghoul, t. salameh.  (2017).  experimental study of the effect of fully shading on the solar pv module performance.  - 17th world renewable energy congress, wrec 2016; university of bahrain (uob)manama; bahrain. 

zeki ahmed darwish, k. sopian, hussein a kazem, m.a. alghoul and hussain alawadhi.  (2017).  investigating the effect of titanium dioxide (tio2) pollution on the performance of the mono-crystalline solar module.  - 17th world renewable energy congress, wrec 2016; university of bahrain (uob)manama; bahrain. 

n.g. khrit, m.a. alghoul, k. sopian, a.a. lahimer, and o.k. elayeb.  (2017).  assessing the accuracy of globe thermometer method in predicting outdoor mean radiant temperature under malaysia tropical microclimate.  - world renewable energy congress-17, bahrain. 

m.a. alghoul, amer ali, f.v. kannanaikal, n. amin, a.a. aljaafar, mohammed kadhim and k. sopian.  (2017).  effect of different solar radiation data sources on the variation of techno-economic feasibility of pv power system.  - 17th world renewable energy congress, wrec 2016; university of bahrain (uob)manama; bahrain. 

masita mohammad, ibrahim yakub, zahira yaakob, nilofar asim and kamaruzzaman sopian.  (2017).  adsorption isotherm of chromium (vi) into zncl2 impregnated activated carbon derived by jatropha curcas seed hull.  - 3rd international conference on smart material research, icsmr 2017 (iop conf. series: materials science and engineering). 

masita mohammad, sabariah kamarudin, nur hasimah mohamed, nilofar asim and kamaruzzaman sopian.  (2017).  homogenization effect on nanostructure and conductivity of polyaniline nanofibre synthesis by mini-emulsion polymerization technique.  - 3rd international conference on smart material research, icsmr 2017; (iop conference series: materials science and engineering). 

nilofar asim, zeynab emdadi, n a abdullah, masita mohammad, marzieh badiei, kamaruzzaman sopian.  (2017).  study of pyrolysed acid and based treated coconut coir as green photocatalyst substrate.  - 3rd international conference on smart material research, icsmr 2017(iop conference series: materials science and engineering). 

o.k elayeb, m.a. alghoul, k. sopian, n.g. khrit.  (2017).  optimum design parameters of box window dsf office at different glazing types under sub interval of intermediate sky conditions (20-40 klux).  - world renewable energy congress-17, bahrian. 

kamaruzzaman sopian, azami zaharim, sohif mat, ahmad fazlizan, alias jedi, nurulkamal maseran, muhammad aslam mohd safari & azman abdul rahim.  (2017).  the theoretical framework of smart energy management system for rural area in mersing malaysia.  - 2017 international conference in energy and sustainability in small developing economies (es2de).  1-5. 

muhammad zohri, ahmad fudholi, mohd hafidz ruslan & kamaruzzaman sopian.  (2017).  mathematical modeling of photovoltaic thermal pv/t system with v-groove collector.  - international symposium on current progress in mathematics and sciences 2016 (iscpms 2016), aip conference proceedings.  1-7. 

nurfarizza surhada mohd nasir, nurul aqidah mohd sinin, suhaila sepeai, cheow siu leong, kamaruzzaman sopian, saleeem h. zaidi.  (2017).  investigation near ir absorption in thin crystalline si wafers with randomly etched nano-pillarsestigation.  - the 1st ukm-isesco-comsats international workshop on nanotechnology for young scientists (iwys2016), aip conference proceeding.  20001-20008. 

puteh melor wesma bt. salehen, mohd.sukor suait, halim razali, kamaruzzaman sopian.  (2017).  development of battery management systems (bms) for electric vehicles (evs) in malaysia.  - matec web of conferences.  1-8. 

enggsa z.m., rachman a., sulaiman y., asmidzam m., mat s., sopian k..  (2016).  performance and energy analysis of a solar hybrid desiccant air-conditioning system.  - aip conference proceedings.  1-4. 

m.w. kareem, khairul habib, k. sopian, kashif irshad.  (2016).  performance evaluation of a novel multi pass solar air heating collector.  - procedia engineering , 4th international conference on process engineering and advanced materials.  638 - 645. 

haque f., khan n.a., rahman k.s., islam m.a., alam m.m., sopian k., amin n..  (2015).  prospects of zinc sulphide as an alternative buffer layer for czts solar cells from numerical analysis.  - 8th international conference on electrical and computer engineering: advancing technology for a better tomorrow, icece 2014.  504-507. 

n. a. khan, k. s. rahman, t. h. chowdhury, k. sopian, a. m. ali, m. m. alam, n. amin.  (2015).  influence of laser wavelength variation on the laser annealed cdte thin films grown by thermal evaporation.  - ieee regional symposium on nanoelectronics (rsm), 2015 k. terengganu, malaysia).  1-4. 

khan n.a., rahman k.s., haque f., dhar n., islam m.a., akhtaruzzaman m., sopian k., amin n..  (2015).  design optimization of cdte thin film solar cells from numerical analysis.  - 8th international conference on electrical and computer engineering: advancing technology for a better tomorrow, icece 2014.  508-511. 

i a audwinto, c s leong, k sopian, and s h zaidi.  (2015).  temperature dependences on various types of photovoltaic (pv) panel.  - iop conf. series: materials science and engineering 88 (2015) 012066.  1-6. 

i m abolgasem, m a alghoul, m h ruslan, h y chan, n g khrit and k sopian.  (2015).  a computation ann model for quantifying the global solar radiation: a case study of al-aqabah-jordan.  - iop conference series: materials science and engineering.  1-6. 

a n al-shamani,k sopian,a m. abed,m a alghoul,m h ruslan,s mat.  (2015).  study of heat transfer due to turbulent flow of nanofluids through rib groove channel.  - iop conf. series: materials science and engineering.  1-6. 

a m abed, k sopian, m a alghoul, a n al-.shamani, m h ruslan, s mat.  (2015).  theoretical study of new combined absorption-ejector refrigeration system.  - iop conf. series: materials science and engineering.  1-7. 

mohd afzanizam mohd rosli, suhaimi misha, kamaruzzaman sopian, sohif mat, mohd yusof sulaiman and elias salleh.  (2015).  thermal modeling of photovoltaic thermal system with polymer sheet in tube absorber collector.  - applied mechanics and materials.  468-47. 

nurulkamal masseran, ahmad mahir razali, kamarulzaman ibrahim, azami zaharim, kamaruzzaman sopian.  (2015).  fitting a circular distribution based on nonnegative trigonometric sums for wind direction in malaysia.  - the 2nd ism international statistical conference 2014 with applications in sciences and engineering (ism-ii).  305-311. 

zuraini mohd enggsa, arfidian rachman, tri suyono, m. mehdi, sohif mat, kamaruzzaman sopian.  (2014).  theoretical and experimental analysis of desiccant wheel performance for solar hybrid desiccant air-conditioning system.  - advanced materials research. 

mohd afzanizam mohd rosli, sohif mat, kamaruzzaman sopian, mohdyusof sulaiman, elias @ ilias salleh and mohdkhairulanuar sharif.  (2014).  thermal performance on unglazed photovoltaic thermal polymer collector.  - advanced materials research. 

hoy-yen chan, jie zhu, mohd hafidz ruslan, kamaruzzaman sopian, saffa riffat.  (2014).  thermal analysis of flat and transpired solar facades.  - energy procedia - international conference on solar heating and cooling for buildings and industry (shc 2013). 

imamzai, m.n., rashid, m.j. ; khan, n.a. ; huda, q. ; akhtaruzzaman, m. ; sopian, k. ; amin, n.  (2014).  prospects of novel cdznte thin film solar cells from numerical analysis.  - 2nd international conference on green energy and technology (icget) 2014.  126-131. 

n. a. khan, k. s. rahman, f. haque, n. dhar, m. a. islam, m. akhtaruzzaman, k. sopian and n. amin.  (2014).  design optimization of cdte thin film solar cells from numerical analysis.  - 8th international conference on electrical and computer engineering; 20-22 december, 2014, dhaka, bangladesh.  508 - 511. 

f. haque, n.a. khan, k.s. rahman, m.a. islam, m. m. alam, k. sopian and n.amin.  (2014).  prospects of zinc sulphide as an alternative buffer layer for czts solar cells from numerical analysis.  - 8th international conference on electrical and computer engineering, 20-22 december, 2014, dhaka, bangladesh.  504 - 507. 

m. a. m. rosli,s. misha, k. sopian, s. mat, m.yusof sulaiman and e. salleh.  (2014).  thermal efficiency of the photovoltaic thermal system with serpentine tube collector.  - applied mechanics and materials.  455-461. 

halim razali, kamaruzzaman sopian, sohif mat.  (2014).  the application of aluminum and hydrochloric acid to produce hydrogen for internal combustion engine via hydrogen mixture with gasoline based on specific fuel consumption.  - advanced materials research. 

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. 

mohd syariman mohd azmi, mohd yusof hj othman, mohd hafidz hj ruslan, kamaruzzaman sopian & zafri azran abdul majid.  (2013).  study on electrical power output of floating photovoltaic and conventional photovoltaic.  - aip conference proceeding- the 2013 ukm fst postgraduate colloquium. 

mohd syahriman mohd azmi, mohd yusof hj othman, mohd hafidz hj ruslan, kamaruzzaman sopian & zafri azran abdul majid.  (2013).  study on electrical power output of floating photovoltaic and conventional photovoltaic.  - the 2013 ukm fst postgraduate colloquium.  95-101. 

muneer m.ba-abbad, abdul amir h. kadhum, abu bakar mohamad, mohd. s. takriff, kamaruzzaman sopian and salmin s. al-shamali.  (2013).  kinetics transformation of anatase to rutile phase for titanium dioxide nanoparticles prepared by sol gel method.  - material science forum / trans publication switzerland. 

md. sharafat hossain, mahmud abdul matin, m a islam, mohammad mannir aliyu, takhir razykov, kamaruzzaman sopian and nowshad amin.  (2013).  towards ultra thin and high efficiency znxcd1-xs/cdte solar cell by amps 1d.  - advanced materials research. 

f. hussain, myh othman, b. yatim, h ruslan, k sopian & z. ibarahim.  (2013).  a study of pv/t collector with honeycome heat exchanger.  - aip conference proceeding- the 2013 ukm fst postgraduate colloquium. 

kamaruzzaman sopian, adnan ibrahim, ahmad fudholi,mohd yusof othman, mohd hafidz ruslan, hussein a. kazem.  (2013).  experimental studies on building integrated photovoltaic thermal collectors with different absorber design.  - recent advances in energy, environment and geology : 2nd international conference on energy systems, environment, entrepreneurship and innovation (iceseei `13). 

ahmad fudholi, adnan ibrahim, mohd yusof othman, mohd hafidz ruslan, hussein a. kazem, azami zaharim, kamaruzzaman sopian.  (2013).  energy and exergy analyses on water based photovoltaic thermal(pvt) collector with spiral flow absorber.  - recent advances in energy, environment and geology : 2nd international conference on energy systems, environment, entrepreneurship and innovation (iceseei `13).  70-74. 

m. a. islam, m. s. hossain, m. m. aliyu, y. sulaiman, m. r. karim, k. sopian and n. amin.  (2013).  comparative study of zns thin films grown by chemical bath deposition and magnetron sputtering.  - ieee: 7th international conference on electrical and computer engineering, 20-22 dec. 2012, dhaka, bangladesh. 

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). 

n. dhar, p. chelvanathan, m. zaman, k. sopian, n. amin.  (2013).  an investigation on structural and electrical properties of rf-sputtered molybdenum thin film deposited on different substrates.  - energy procedia - pv asia pacific conference 2012. 

q. huda, m. m. aliyu, m. a. islam, m. s. hossain, m. m. alam, m. r. karim, m. a.m. bhuiyan, k. sopian and n. amin.  (2013).  cdznte thin films growth by rf sputtering for cdte solar cells.  - conference record of the ieee photovoltaic specialists conference.  3480-3483. 

s. a. nadi, p. chelvanathan, , m. m. alam, m. akhtaruzzaman, k. sopian, a.s.m. mukter uzzaman and n. amin.  (2013).  effect of substrate temperature on the growth of czts thin films by rf magnetron sputtering.  - 2013 ieee conference on clean energy and technology (ceat). 

m. i. hossain, p. chelvanathan, m. m. alam, m. akhtaruzzaman, k. sopian and n. amin.  (2013).  potential buffer layers for cu2znsns4 (czts) solar cells from numerical analysis.  - ieee conference on clean energy and technology (ceat 2013). 

m a islam, shrarafat hossain, nowshad amin, m. mannir aliyu, yusuf sulaiman and kamaruzzaman sopian.  (2013).  investigation for optimum structure of cds:o/cdte solar cell from numerical analysis.  - advanced materials research. 

suhaimi misha, sohif mat, mohd hafidz ruslan, kamaruzzaman sopian, elias salleh.  (2013).  the effect of drying air temperature and humidity on the drying kinetic of kenaf core.  - applied mechanics and materials. 

m.a. islam, m.s. hossain, m.m. aliyu, p. chelvanathan, q. huda, m.r. karim, k. sopian, n. amin.  (2013).  comparison of structural and optical properties of cds films grown by csvt, cbd and sputtering techniques.  - energy procedia - pv asia pacific conference 2012. 

m.s. hossain, m.a. islam, m.m. aliyu, p. chelvanathan, t. razykov, k. sopian, n. amin.  (2013).  effect of annealing on the properties of znxcd1-xs thin film growth by rf magnetron co-sputtering.  - energy procedia - pv asia pacific conference 2012. 

omidreza saadatian, sohif bin mat, elias salleh, ch lim, bardia bkhtyar,k sopian.  (2012).  sustainable campus in malaysia.  - technology innovations in education : proceedings of the 8th wseas international conference on educational technologies (edute `12). 

manoj k. jha, myriam lazard, azami zaharim, kamaruzzaman sopian.  (2012).  applied mathematics in electrical and computer engineering.  - american conference on applied mathematics (american-math `12), 6th wseas int.conf on : circuits, systems, signal and telecommunications (csst `12), computer engineering & applications ((cea `12). 

ahmad fudholi, mohd hafidz ruslan, lim chin haw, sohif mat, mohd yusof othman, azami zaharim, kamaruzzaman sopian.  (2012).  mathematical modelling of brown seaweed drying curves.  - proceedings of the american conference on applied mathematics (american-math `12). 

ahmad fudholi, mohd zamri ibrahim, mohd hafidz ruslan, lim chin haw, sohif mat,mohd yusof othman, azami zaharim, kamaruzzaman sopian.  (2012).  techno-economics analysis of a wind / pv hybrid system to provide electricity for a household in malaysia.  - proceedings of the american conference on applied mathematics (american-math `12). 

ahmad fudholi, mohd hafidz ruslan, mohd yusof othman, lim chin haw, sohif mat, azami zaharim, kamaruzzaman sopian.  (2012).  cost analysis of double-pass solar collector with finned absorber.  - proceedings of the 9th wseas international conference on heat and mass transfer (hmt `12). 

ahmad fudholi, mohd hafidz ruslan, mohd yusof othman, lim chin haw, sohif mat, azami zaharim, kamaruzzaman sopian.  (2012).  mathematical model of double-pass solar air collector with longitudinal fins.  - proceedings of the 9th wseas international conference on heat and mass transfer (hmt `12). 

ahmad fudholi, mohd hafidz ruslan, lim chin haw, sohif mat, mohd yusof othman, azami zaharim, kamaruzzaman sopian.  (2012).  performance of finned double-pass solar air collector.  - proceedings of the 9th wseas international conference on heat and mass transfer (hmt `12) harvard, cambridge, usa january 25-27. 

ranj sirwan, yusoff ali, lim chin haw, sohif mat, a. zaharim, k. sopian.  (2012).  modelling and optimization of heat transfer in smooth circular tube used in the shell and tube evaporator.  - proceedings of the 9th wseas international conference on heat and mass transfer (hmt `12) harvard, cambridge, usa january 25-27. 

tamer khatib, azah mohamed, marwan mahmoud and k. sopian.  (2012).  an assessment of diffuse solar energy models in terms of estimation accuracy.  - energy procedia - 2nd international conference on advances in energy engineering (iceaa 2011). 

k. sopian, m. i. fadhel, w. r. w. daud, m. a. alghoul, a. zaharim.  (2012).  design and performance evaluation of solar assisted chemical heat pump dryer.  - models and methods in applied sciences : proceedings of the 2nd international conference on environment, economics, energy, devices, systems, communications, computers, mathematics (edscm `12). 

a. w. azhari, m. a. alghoul, s. h. zaidi, a. h. ibrahim, j. m. abdulateef, a. zaharim, k. sopian.  (2012).  development of diffused solar radiation maps using gis software for malaysia.  - models and methods in applied sciences : proceedings of the 2nd international conference on environment, economics, energy, devices, systems, communications, computers, mathematics (edscm `12). 

tamer khatib, azah mohamed, kamaruzzaman sopian.  (2012).  on the monthly optimum tilt angle.  - ieee international conference on power engineering and optimization conference. 

islam, m.a., hossain, m.s., aliyu, m.m., husna, j., karim, m.r., sopian, k., amin, n..  (2012).  effects of thermal annealing on structural and optical properties of sputtered cds thin films for photovoltaic application.  - conference record of the ieee photovoltaic specialists conference, pvsc 2012;austin. 

halim razali, kamaruzzaman sopian, baharuddin ali and sohif mat.  (2012).  hydrogen blended with gasoline, diesel, natural gas (ngv) as an alternative fuel for ice in malaysia.  - regional conference on automotive research, recar 2011;kuala lumpur (applied mechanics and materials). 

mannir m. aliyu, sharafat hossain, md. aminul islam, n. r. hamzah, m. r. karim, k. sopian and nowshad amin.  (2012).  evaluation of the effects and impacts of the cdste interlayer in cds/cdte solar cells through modeling and simulations.  - 2nd international conference on the developments in renewable energy technology [icdret` 2012], dhaka, january 5-7, bangladesh. 

hossain, m.s., islam, m.a., aliyu, m., zaidi, s.h., razykov, t., sopian, k., amin, n..  (2012).  an analysis on structural and optical properties of znxcd 1-xs thin film deposited by rf magnetron sputtering.  - conference record of the ieee photovoltaic specialists conference, pvsc 2012;austin. 

azmi, msm; othman, my; sopian, k; ruslan, mh; majid, zaa; fudholi, a; yasin, jm.  (2012).  development of a solar assisted drying system using double-pass solar collector with finned absorber.  - 1st international conference on mechanical engineering research (icmer) 2011; kuantan (iop conference series-materials science and engineering). 

asim, n., sadaatian, o., ludin, n.a., reza faraji zonooz, m., sopian, k..  (2012).  perspective of agriculture wastes usage as a resource.  - 2nd international conference on chemical engineering and advanced materials, ceam 2012;guangzhou (advanced materials research). 

b. bakhtyar, a. zaharim, k. sopian, o. saadatian, j. abdulateef.  (2012).  affordable quality housing for urban low income earners in malaysia.  - 5th wseas international conference on sensors and signals (sensig` 12), sliema malta. 

omidreza saadatian, k sopian, b r elhab, mh ruslan, nilofar asim.  (2012).  optimal solar panels tilt angles and orientations in kuala lumpur, malaysia.  - advances in environment, biotechnology and biomedicine : 1st wseas international conference on energy and environment technologies and equipment (eeete `12). 

msm azmi, my othman, k sopian, mh ruslan, zaa majid, a fudholi & jm yasin.  (2012).  development of a solar assisted drying system using double- pass solar collector with finned absorber.  - 1st international conference on mechanical engineering research 2011 (icmer2011) - iop conference series materials science and engineering. 

masoud dalman, e salleh, omidreza saadatian, ch. lim, k. sopian.  (2012).  the dark sides of the modern urban design in the persian gulf region.  - advances in environment, biotechnology and biomedicine : 1st wseas international conference on energy and environment technologies and equipment (eeete `12). 

ahmad fudholi, mohd hafidz ruslan, mohd yusof othman, azami zaharim, kamaruzzaman sopian.  (2012).  solar open drying kinetics method for drying chilies.  - advances in environment, biotechnology and biomedicine : 1st wseas international conference on energy and environment technologies and equipment (eeete `12). 

omidreza saadatian, lim chin haw, k sopian, elias salleh, n.a. ludin.  (2012).  solar walls: the neglected components of passive designs.  - advances in environment, biotechnology and biomedicine : 1st wseas international conference on energy and environment technologies and equipment (eeete `12). 

ahmad fudholi, mohd hafidz ruslan, mohd yusof othman, omidreza saadatian, azami zaharim, kamaruzzaman sopian.  (2012).  investigation of medical herbs moisture in solar drying.  - advances in environment, biotechnology and biomedicine : 1st wseas international conference on energy and environment technologies and equipment (eeete `12). 

omidreza saadatian, m.y. sulaiman, e. salleh, lc. haw, nilofar asim, k. sopian.  (2012).  energy perspective of roof gardens.  - advances in environment, biotechnology and biomedicine : 1st wseas international conference on energy and environment technologies and equipment (eeete `12). 

s. moghimi, b.j. raatjes, p.m.van moorsel, f.azizpour,s.mat, c.h.lim, k. sopian.  (2012).  optimum insulation material and thickness in the external walls and determination of the energy saving cost in hospital: case study in malaysia.  - advances in environment, biotechnology and biomedicine : 1st wseas international conference on energy and environment technologies and equipment (eeete `12). 

b bakhtyar, a zaharim, k sopian, omidreza saadatian, n.a. ludin.  (2012).  the effects of feed in tariff on foreign direct investment in malaysia.  - advances in environment, biotechnology and biomedicine : 1st wseas international conference on energy and environment technologies and equipment (eeete `12). 

s.sadrzadehrafiei, k. sopian, s.mat, c.h.lim.  (2012).  application of triple glazing to mid-rise office building in malaysia.  - advances in environment, biotechnology and biomedicine : 1st wseas international conference on energy and environment technologies and equipment (eeete `12). 

f.azizpour, s. moghimi, s.mat, c.h.lim & k. sopian.  (2012).  a thermal comfort evaluation based on different occupancy levels in hospitals in a hot-humid region.  - advances in environment, biotechnology and biomedicine : 1st wseas international conference on energy and environment technologies and equipment (eeete `12). 

mohamed gabbasa,kamaruzzaman sopian.  (2012).  review of the electrodes layer for unitized regenerative proton exchange membrane fuel cells.  - advances in environment, biotechnology and biomedicine : 1st wseas international conference on energy and environment technologies and equipment (eeete `12). 

yousef a. eltbaakh, m.h. ruslan, m.a. alghoul, m.y. othman, m. i. fadhel1, a. zaharim & k. sopian.  (2012).  spectral transmittance under cloudless sky over bangi-malaysia.  - models and methods in applied sciences : proceedings of the 2nd international conference on environment, economics, energy, devices, systems, communications, computers, mathematics (edscm `12). 

s. n. sharifah nurain, saleem h. zaidi, m. y. sulaiman, and kamaruzzaman sopian.  (2012).  self-aligned cu electroplating of the front surface contact on silicon solar cells.  - aip conference proceeding - international conference on nanotechnology - research and commercialization 2011 (icont 2011). 

suhaila sepeai, m.y.sulaiman, saleem h.zaidi, kamaruzzaman sopian.  (2012).  enhanced light absorption in bifacial solar cells.  - ieee-icse2012 proc., 2012, kuala lumpur, malaysia. 

aliyu, m.m., hossain, s., husna, j., dhar, n., huda, m.q., sopian, k., amin, n..  (2012).  high quality indium tin oxide (ito) film growth by controlling pressure in rf magnetron sputtering.  - 38th ieee photovoltaic specialists conference, pvsc 2012; austin, tx; united states. 

omidreza saadatian,k sopian, sohif bin mat,b r elhab,ch lim,m.h.ruslan.  (2012).  solar collectors as shading devices for kuala lumpur malaysia.  - advances in environment, biotechnology and biomedicine : 1st wseas international conference on energy and environment technologies and equipment (eeete `12). 

m. s. hossain, m. a. islam , q. huda, m. m. aliyu, t. razykov, k. sopian and n. amin.  (2012).  growth of high quality znxcd1-xs thin film window layers by rf magnetron sputtering.  - the 22nd international photovoltaic science and engineering conference, november 05-09, 2012, hangzhou, china. 

nowshad amin, puvaneswaran chelvanathan, m. istiaque hossain and kamaruzzaman sopian.  (2012).  numerical modelling of ultra thin cu(in,ga)se2 solar cells.  - energy procedia. 

m. a. islam, m. s. hossain, m. m. aliyu, j. husna, q. huda, m. r. karim, k. sopian and n. amin.  (2012).  growth of wide bandgap cds thin films as window layers of ultra thin cdte solar cells.  - the 22nd international photovoltaic science and engineering conference, november 05-09, 2012, hangzhou, china. 

a. shahi, p. chelvanathan, m. i. hossain, m. zaman, k. sopian, n. amin.  (2012).  performance analysis of cu2znsns4 (czts) solar cells by solar cell capacitance simulator (scaps).  - the 22nd international photovoltaic science and engineering conference, november 05-09, 2012, hangzhou, china. 

m. m. aliyu, m. s. hossain, q. huda, m. r. karim, t. razykov, k. sopian and n. amin.  (2012).  fabrication of ultra thin (<1um) cdte films by rf sputtering for cdte solar cells.  - the 22nd international photovoltaic science and engineering conference, november 05-09, 2012, hangzhou, china. 

tamer khatib, azah mohamed, kamaruzzaman sopian.  (2011).  modeling of wind speed and relative humidity for malaysia using anns: approach to estimate dust deposition on pv systems.  - 2011 5th international power engineering and optimization conference, peoco 2011; shah alam, selangor. 

mohd s. takriff, muneer m. ba-abbad, abdul amir h. kadhum,
abu bakar mohamad, kamaruzzaman sopian.  (2011).  solar photocatalytic degradation of 2,4-dichlorophenol by tio2 nanoparticle prepared by sol-gel method.  - 2011 international conference on chemical engineering and advanced materials, ceam 2011; changsha (advanced materials research). 

m. i. fadhel, ramez abdulwasea abdo, b. f. yousif, azami zaharim and k. sopian.  (2011).  thin-layer drying characteristics of banana slices in a force convection indirect solar drying.  - 6th iasme / wseas international conference on energy & environment (ee `11), cambridge, uk. 

r. daghigh, m.h. ruslan, a.zaharim, k. sopian.  (2011).  effect of packing factor on the performance of pv/t water heater.  - 6th iasme / wseas international conference on energy & environment (ee `11), cambridge, uk. 

roonak daghigh, mohd hafidz ruslan, azami zaharim and kamaruzzaman sopian.  (2011).  monthly performance of a photovoltaic thermal (pv/t) water heating system.  - 6th iasme / wseas international conference on energy & environment (ee `11), cambridge(recent researches in energy and environment). 

m.h. yazdi, s. abdullah, i. hashim, a. zaharim and k. sopian.  (2011).  entropy generation analysis of the mhd flow over nonlinear permeable stretching sheet with partial slip.  - 6th iasme / wseas international conference on energy & environment (ee `11), cambridge, uk. 

a.w. shahrul, m.y. khairy, s.l. cheow, n. amin, s.h. zaidi, a. zaharim and k. sopian.  (2011).  effect of contact resistive variations of screen printed si solar cell.  - 6th iasme / wseas international conference on energy & environment (ee `11), cambridge, uk. 

yousef a. eltbaakh, m.h. ruslan, m.a. alghoul, m.y. othman, a. zaharim and k. sopian.  (2011).  effect of cloudless sky parameters on global spectral solar radiation within 0.3-1.1 im region.  - 4th wseas international conference on engineering mechanics, structures, engineering geology, emeseg`11. 

ranj sirwan, yusoff ali, a. zaharim & k. sopian.  (2011).  effect of adding flash tank on the evaporator`s thermal load.  - proceedings of the 10th wseas international conference on system science and simulation in engineering (icossse `11),ukm 2011. 

cheow siu leong, saleem zaidi, nowshad amin, azami zaharim, kamaruzzaman sopian.  (2011).  investigate the effect of thermal oxidation on crystalline silicon solar cells.  - proceedings of the 10th wseas international conference on system science and simulation in engineering (icossse `11),ukm. 

tri suyono, sohif mat, muhammad yahya, muhd. hafiz ruslan, azami zaharim, kamaruzzaman sopian.  (2011).  theoretical and experimental analysis of desiccant wheel performance for low humidity drying system.  - 10th wseas international conference on system science and simulation in engineering (icossse `11). 

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. 

ahmad fudholi, mohd. yusof othman, mohd hafidz ruslan, muhammad yahya, azami zaharim, kamaruzzaman sopian.  (2011).  techno-economic analysis of solar drying system for seaweed in malaysia.  - proceedings of the 7th iasme/wseas international conference on energy, environment, ecosystems and sustainable development (eeesd `11) angers, france november 17-19, 2011. 

kamaruzzaman sopian, goh li jin, mohd. yusof othman, saleem h. zaidi, mohd hafidz ruslan.  (2011).  advanced absorber design for photovoltaic thermal (pv/t) collectors.  - proceedings of the 7th iasme/wseas international conference on energy, environment, ecosystems and sustainable development (eeesd `11). 

tamer khatib, azah mohamed, k sopian, m mahmoud.  (2011).  modeling of solar energy for malaysia using artificial neural networks.  - 11th wseas/iasme international conference on electric power systems, high voltages, electric machines (power `11) : recent researches in power systems and systems science. 

md. sharafat hossain, m.m. aliyu, m.a. matin, t. razykov, k. sopian and nowshad amin.  (2011).  numerical analysis on znxcd1-xs/cdte solar cells with different buffer layers, front and back contacts.  - 2011 ieee regional symposium on micro and nano electronics, rsm 2011; kota kinabalu, sabah. 

masjuri musa@othman, juhari ab. razak, md razali ayob, mohd afzanizam rosli, safarudin gazali herawan, kamaruzzaman sopian.  (2011).  development of model system for cost-effective pico-hydro turbine.  - 2011 3rd international symposium & exhibition in sustainable energy & environment, 1-3 june 2011, melaka. 

md. sharafat hossain, nowshad amin, nur radhwa hamzah, m.m. aliyu, m.a. matin1, t. razykov and kamaruzzaman sopian.  (2011).  investigation of buffer layers, front and back contacts for znxcd1-xs/cdte photovoltaic.  - 2011 ieee first conference on clean energy and technology cet, 28-29 june 2011,kuala lumpur, malaysia. 

a. ibrahim, m. y. othman, m. h. ruslan, s. mat, a. zaharim and k. sopian.  (2011).  a pilot study of the building integrated photovoltaic thermal (bipvt) collector for commercial applications in malaysia.  - 4th wseas international conference on engineering mechanics, structures, engineering geology, emeseg`11. 

kh.abulqasem, m.a. alghoul, m.n.mohammed, alshrif.mustafa, kh.glaisa, nowshad.amin, a.zaharim and k.sopian.  (2011).  optimization of renewable power system for small scale seawater reverse osmosis desalination unit in mrair-gabis village, libya.  - 5th international conference on applied mathematics, simulation, modelling, asm`11; corfu island. 

n. asim, a. zaharim and k. sopian.  (2011).  the requirements and challenges in energy policy formulation for selected oic countries.  - 4th wseas international conference on engineering mechanics, structures, engineering geology, emeseg`11. 

a. fudholi, m. y. othman, m. h. ruslan, m. yahya, a. zaharim and k. sopian.  (2011).  the effects of drying air temperature and humidity on the drying kinetics of seaweed.  - 4th wseas international conference on engineering mechanics, structures, engineering geology, emeseg`11. 

abdulateef j.m., murad n.m., alghoul m.a., zaharim a., sopian k..  (2011).  economic analysis of combined solar-assisted ejector absorption refrigeration system.  - 4th wseas int. conf. on emeseg`11, 2nd int. conf. on world-geo`11, 5th int. conf. on edeb`11; corfu island. 

suhaila sepeai, m.y.sulaiman, saleem h.zaidi, kamaruzzaman sopian.  (2011).  microstructural studies on fire-through front contact metallization of si solar cells.  - 2011 ieee regional symposium on micro and nano electronics, rsm 2011; kota kinabalu, sabah. 

suhaila sepeai, mohamad yusof sulaiman, kamaruzzaman sopian..  (2011).  optimization of rapid thermal firing on silver metal contact for crystalline silicon solar cells.  - source: malaysia annual physics conference 2010 (perfik-2010) book series: (aip conference proceedings). 

c.h.lim, omidreza saadatian, m.yusof sulaiman, sohif mat, k.sopian.  (2011).  performance of wind-induced natural ventilation tower in hot and humid climatic conditions.  - proceedings of the 9th wseas international conference on environment, ecosystems and development (eed`11), montreux, switzerland. 

omidreza saadatian, lim chin haw, sohif mat, kamaruzzaman sopian, masoud dalman, elias salleh.  (2011).  sustainable development in malaysia- planning and initiatives.  - proceedings of the 9th wseas international conference on environment, ecosystems and development (eed`11), montreux, switzerland. 

s.sadrzadehrafiei, k.sopian, s.mat, c.lim.  (2011).  application of advanced glazing to mid-rise office buildings in malaysia.  - proceedings of the 9th wseas international conference on environment, ecosystems and development (eed`11), montreux, switzerland. 

f.azizpour, s.moghimi, s.mat, c.h.lim, k.sopian.  (2011).  objective and subjective assessments of thermal comfort in hot-humid region.  - proceedings of the 9th wseas international conference on environment, ecosystems and development (eed`11), montreux, switzerland. 

a. fudholi, m. y. othman, m. h. ruslan, m. yahya, a. zaharim and k.sopian.  (2011).  design and testing of solar dryer for drying kinetics of seaweed in malaysia.  - 4th wseas int. conf. on emeseg`11, 2nd int. conf. on world-geo`11, 5th int. conf. on edeb`11; corfu island. 

saeid moghimi, s.mat, c.h. lim, a.zaharim & k. sopian.  (2011).  building energy index (bei) in large scale hospital: case study of malaysia.  - 4th wseas int. conf. on emeseg`11, 2nd int. conf. on world-geo`11, 5th int. conf. on edeb`11; corfu island. 

fatemeh azizpour, saeid moghimi, chinhaw lim, sohif mat, azami zaharim and kamaruzzaman sopian.  (2011).  thermal comfort assessment in large scale hospital: case study in malaysia.  - 4th wseas international conference on engineering mechanics, structures, engineering geology, emeseg`11. 

abdulateef j.m., murad n.m., alghoul m.a., zaharim a., sopian k..  (2011).  experimental study on combined solar-assisted ejector absorption refrigeration system.  - 4th wseas international conference on engineering mechanics, structures, engineering geology, emeseg`11. 

razali h., ali b., mat s., zaharim a., sopian k..  (2011).  life cycle cost (lcc) analysis: hydrogen as an alternative fuel for internal combustion engine (h 2ice).  - 4th wseas international conference on engineering mechanics, structures, engineering geology, emeseg`11. 

a ibrahim, my othman, mh ruslan, s mat, a zaharim, k sopian.  (2011).  a pilot study of the building integrated photovoltaic thermal (bipvt) collector for commercial applications in malaysia.  - recent researches in geography, geology, energy, environment and biomedicine.  139-142. 

mohammed m.n., alghoul m.a., abulqasem kh., mustafa a., glaisa kh., ooshaksaraei p., yahya m., zaharim a., sopian k..  (2011).  trnsys simulation of solar water heating system in iraq.  - 4th wseas international conference on engineering mechanics, structures, engineering geology, emeseg`11. 

md. sharafat hossain, nowshad amin, m. m. aliyu, m.a. matin, m. k. siddiki, t. razykov and k. sopian.  (2011).  znxcd1-xs as prospective window layer in cdte thin film solar cells from numerical analysis.  - 37th ieee photovoltaic specialists conference (pvsc), 2011. 

siti khadijah najid, ahmad mahir razali, kamaruzaman ibrahim, kamaruzzaman sopian and azami zaharim.  (2011).  estimating wind energy using extrapolated data of cameron highlands.  - 5th international conference on applied mathematics, simulation, modelling, asm`11; corfu island. 

a. fudholi, m.h. ruslan, m.y. othman, m. yahya, supranto, a. zaharim and k. sopian.  (2010).  collector efficiency of the double-pass solar air collectors with fins.  - proceedings of the wseas international conferences, 9th wseas international conferences on system science and simulation in engineering (icossse '10), iwate prefectural university, japan. 

a.w. shahrul, s.l. cheow, m.y. khairy, n. amin, a. zaharim and k. sopian.  (2010).  effect of rapid thermal annealing in the performance of si solar cell.  - proceedings of the wseas international conferences, 9th wseas international conferences on system science and simulation in engineering (icossse '10), iwate prefectural university, japan. 

m.m. tahir, m.f.m. zain, k. sopian, i.m.s. usman, m.surat, n.a.g. abdullah, n.m. tawil, m.f.i. mohd-nor, a.i. che-ani.  (2010).  the development of a sustainably responsive ultra low energy terrace housing for the tropics incorporating the raised floor innovation.  - the 5th iasme/wseas international conference on energy and environment (ee?10). university of cambridge, cambridge, united kingdom. 23-25 february 2010.. 

arfidian rachman, sohif mat, taib iskandar, m. yahya, azami zaharim and kamaruzzaman sopian.  (2010).  solar air conditioning system using desiccant wheel technology.  - proceedings of the wseas international conferences, 9th wseas international conferences on system science and simulation in engineering (icossse '10), iwate prefectural university, japan. 

a. fudholi, m.h. ruslan, m.y. othman, m. yahya, supranto, a.zaharim and k. sopian.  (2010).  experimental study of the double-pass solar air collector with staggered fins.  - proceedings of the wseas international conferences, 9th wseas international conferences on system science and simulation in engineering (icossse '10), iwate prefectural university, japan. 

r. daghigh, m.h. ruslan, a. zaharim and k. sopian.  (2010).  air source heat pump system for drying application.  - proceedings of the wseas international conferences, 9th wseas international conferences on system science and simulation in engineering (icossse '10), iwate, japan. 

salvador guel sandoval, m. khizar, j. anderson, r. p. manginell, g. m. peake,n. amin, k. sopian, t. rotter, g. balakrishnan, s. r. j. brueck, and saleem h. zaidi.  (2010).  characterization of thin gaas films grown on nanostructured silicon substrates.  - 35th ieee photovoltaic specialist conference, honolulu, haiwaii, 20 - 23 june, 2010. 

salvador guel sandoval, m. khizar, d. modisette, j. anderson,ron manginell,nowshad amin, kamaruzzaman sopian, and saleem h. zaidi.  (2010).  optical absorption in microstructured crystalline silicon thin films.  - 35th ieee pv specialist conference, 20 -25 june, honolulu, hawaii, usa.. 

t.m.razykov, n. amin, g.contreras-puente, b.ergashev, c.s.ferekides, d. y.goswami, m.k.hakkulov, a.hubbimov, s.jimenez-sandoval, k.m.kouchkarov, k.sopian, h.s.ullal , h.m.upadhyaya.  (2010).  is cdcl2 treatment necessary for thin-film cds-cdte solar cells?.  - 35th ieee photovoltaic specialists conference, hawaii, usa. 

n. amin, m. i. hossain, p. chelvanathan, m. r. karim, t. razykov and k. sofian.  (2010).  advantages of indium sulphide as an alternative buffer layer in cigs solar cells from numerical analysis.  - 35th ieee photovoltaic specialists conference, hawaii, usa. 

wan ramlee, ahmad sairi, azami zaharim, and kamaruzzaman sopian.  (2010).  basic perceptions of integrated waste management concepts in majlis perbandaran kajang malaysia.  - 4th international conference on energy & development, environment & biomedicine, corfu island, greece, july 22-24, 2010. 

m. a. matin, m. m. aliyu, m. r. karim, m. y. sulaiman, k.sopian, nowshad amin.  (2010).  towards ultra thin and high efficiency cdte solar cell.  - international conference on advances in renewable energy technologies (icaret 2010). 

tamer t n khatib, a mohamed, n amin, k sopian.  (2010).  an improved indirect maximum power point tracking method for standalone photovoltaic system.  - 9th wseas international conference on applications of electrical engineering. 

nowshad amin, mohammad istiaque hossain, puvaneswaran chelvanathan, a.s.m. mukter uzzaman, kamaruzzaman sopian.  (2010).  prospects of cu2znsns4 (czts) solar cells from numerical analysis.  - 6th ieee international conference on electrical and computer engineering, icece 2010, dhaka, bangladesh. 

adnan ibrahim, mohd yusof othman, mohd hafidz ruslan, sohif mat, azami zaharim and kamaruzzaman sopian.  (2010).  experimental studies on water based photovoltaic thermal collector (pvt).  - proceedings of the wseas international conferences, 9th wseas international conferences on system science and simulation in engineering (icossse '10), iwate prefectural university, japan. 

goh li jin, hafidz ruslan, sohif mat, mohd. yusof othman, azami zaharim and kamaruzzaman sopian.  (2010).  experiment study on single-pass photovoltaic-thermal (pv/t) air collector with absorber.  - proceedings of the wseas international conferences, 9th wseas international conferences on system science and simulation in engineering (icossse '10), iwate prefectural university, japan. 

m. a. alghoul, m.y.sulaiman, k.sopian, b.z. azmi, m. abd. wahab and a. zaharim.  (2010).  parametric analysis of multipurpose solar adsorption system- cooling and heating (dalam international journal of energy).  - proceedings of the 3rd iasme/wseas international conference on energy & environment - energy and environment iii. 

nowshad amin, lam zi yi, kamaruzzaman sopian.  (2009).  microcontroller based smart charge controller for stand-alone solar photovoltaic power systems.  - 34th ieee photovoltaic specialists conference (pvsc), philadelphia, usa. 

rajiv prinja, nowshad amin, kamaruzzaman sopian, saleem h. zaidi.  (2009).  electroplating of plasma doped back surface contact silicon solar cells.  - 34th ieee photovoltaic specialists conference (pvsc); june, philadelphia, usa. 

khairul nizam abdul maulud, othman a. karim, kamaruzaman sopian, siti nur farhana abdul aziz.  (2009).  determination of tidal energy resource location in east cost of peninsular malaysia using geographical information system.  - proceeding of the 3rd wseas international conference on energy planning, energy saving, environmental education (epses ?09), university of la laguna, tenerife, canary islands, spain. 

fariborz jahanshah, muhammad khizar, dave modisette, ron manginell, john anderson, nowshad amin, kamaruzzaman sopian, saleem h. zaidi.  (2009).  investigation of optical absorption in thin-film si/ge solar cells.  - 34th ieee photovoltaic specialists conference (pvsc); june 2009, philadelphia, usa. 

zuhairuse md darus, nor atikah hashim, siti nurhidayah abdul manan, mohd azhar abdul rahman, khairul nizam abdul maulud & othman abdul karim..  (2008).  potential of wind energy in sustainable development of resort island in malaysia: a case study of pulau perhentian (perhentian island).  - wseas international conferences corfu, greece, october 26-28, 2008. proceedings of the 10th wseas international conference on mathematical methods, computational techniques and intelligent systems. 

nowshad amin, md. anwarul azim and kamaruzzaman sopian.  (2008).  development of cost effective charge controller with data acquisition options for pv powered sensor nodes.  - 33rd ieee photovoltaic specialists conference (pvsc), may 11-16, 2008, san diego, california, usa. 

pn. lorna jeffery minggu, prof. ir. dr. wan ramli wan daud, prof. dr.kamaruzzaman sopian, prof.madya dr.mohammad kassim, prof. dr. abu bakar mohamad, prof. dr.abdul amir hassan kadhum.  (2008).  development of photoelectrochemical water splitting to prodecu hydrogen.  - seminar pemantauan projek penyelidikan (gup) 2007. 

fairborz jahanshah, rajiv prinja, john anderson, ron manginell, nowshad amin, k. sopian and saleem h. zaidi.  (2008).  an investigation of three-dimensional texturing in silicon solar cells for enhanced optical absorption.  - 33rd ieee photovoltaic specialists conference (pvsc), may 11-16, 2008, san diego, california, usa. 

rajiv prinja, john anderson, ron manginell, j.w. tringe, k. sopian, nowshad amin and saleem h. zaidi.  (2008).  absorption enhancement in thin-film silicon solar cells in soi configuration using physical and geometrical optics.  - 33rd ieee photovoltaic specialists conference (pvsc), may 11-16, 2008, san diego, california, usa.. 

nowshad amin, kamaruzzaman sopian, m. yahya and a. zaharim.  (2008).  significance of absorber thickness reduction in cdte thin film solar cells for promising terrestrial usage - from the perspective of numerical analysis.  - proceedings of the 8th wseas international conference on power systems (ps 2008) santander, cantabria, spain, september 23-25, 2008. 

k.n. abdul maulud, o.a karim, k. sopian, z. md. darus, e.e. mohd. ramly..  (2008).  identification a potential wave energy location in malaysia using gis.  - wseas international conferences corfu, greece, october 26-proceedings of the 10th wseas international conference on mathematical methods, computational techniques and intelligent systems. 

m. yahya, k. sopian, m. syahri, s. abdullah, m.a. alghoul and a. zaharim.  (2008).  cfd analysis of solar hot water heater with integrated storage system.  - proceedings of the 7th wseas international conference on system science and simulation in engineering (icossse `08).