wan nabilah manan, wan nor roslam wan isahak, zahira yaakob.  (2022).  ceo2-based heterogeneous catalysts in dry reforming methane and steam reforming methane: a short review.  - catalysts.  1-22. 

muhammad hanif sainorudin, nur athirah abdullah, mohd saiful asmal rani, masita mohammad, nurul huda abd kadir, halim razali, nilofar asim, zahira yaakob.  (2022).  investigation of the structural, thermal and morphological properties of nanocellulose synthesised from pineapple leaves and sugarcane bagasse.  - current nanoscience.  68-77. 

a. k. m. aminul islam, zahira yaakob, jaharah a. ghani, azza alareefy, nisreen m. abdulsalam, najla a. khateeb, nahla zidan, mahmoud a. abdelazi, ayman el sabagh*, mohamed i. sakran, awatif omran, ahmad el askary, mohamed el-sharnouby et al..  (2022).  genotype and age of industrial plant jatropha curcas l. affect physico-chemical properties of seed oil.  - frontiers in energy research.  1-9. 

vijayasree haridas, zahira yaakob , renuka n. k , sankaran sugunan, binitha n. narayanan.  (2021).  selective electrochemical determination of paracetamol using hematite/ graphene nanocomposite modified electrode prepared in a green chemical route.  - materials chemistry and physics.  1-9. 

norhasyimi rahmat , zahira yaakob , nik suhaimi mat hassan.  (2021).  hydrogen rich syngas from co2 reforming of methane with steam catalysed by facile fusion-impregnation of iron and cobalt loaded mgal2o4 catalyst with minimal carbon deposits.  - journal of the energy institute.  61-74. 

vijayasree haridas, zahira yaakob, sankaran sugunan and binitha n. narayanan.  (2021).  novel cost-effective synthesis of non-doped turbostratic graphene from a graphite intercalation compound: development of a durable and stable electrocatalyst for the oxygen reduction reaction.  - new journal of chemistry.  18669-18681. 

muhammad hanif sainorudin, nur athirah abdullah, mohd saiful asmal rani, masita mohammad, munirah mahizan, nursyazwani shadan, nurul huda abd kadir, zahira yaakob, adel el-denglawey, mahboob alam.  (2021).  structural characterization of microcrystalline and nanocrystalline cellulose from ananas comosus l. leaves: cytocompatibility and molecular docking studies.  - nanotechnology reviews.  793-806. 

m. moniruzzaman, zahira yaakob, nurina anuar.  (2021).  factors affecting in vitro regeneration of ficus carica l. and genetic fidelity studies using molecular marker.  - journal of plant biochemistry and biotechnology.  304-316. 

nur athirah abdullah, mohd saiful asma rani, masita mohammad, muhammad hanif sainorudin, nilofar asim, zahira yaakob, halim razali, zeynab emdadin.  (2021).  nanocellulose from agricultural waste as an emerging nanotechnology material for nanotechnology applications - an overview.  - polymery.  155-214. 

sharifah najiha badar, masita mohammad, zeynab emdadi, zahira yaakob.  (2021).  algae and their growth requirements for bioenergy: a review.  - biofuels.  307-325. 

wan nurlaila yusra mat desa, ahmad fudholi, zahira yaakob.  (2020).  energy-economic-environmental analysis of solar drying system: a review.  - international journal of power electronics and drive system.  1011-1018. 

gong tao ding, nazlina haiza mohd yasin, mohd sobri takriff, kamrul fakir kamarudin, jailani salihon, zahira yaakob, noor irma nazashida mohd hakimi..  (2020).  phycoremediation of palm oil mill effluent (pome) and co2 fixation by locally isolated microalgae: chlorella sorokiniana ukm2, coelastrella sp. ukm4 and chlorella pyrenoidosa ukm7.  - journal of water process engineering.  1-7. 

m. shahinuzzaman, zahira yaakob, farah hannan anuar, parul akhtar, n. h. a. kadir, a. k. mahmud hasan, k. sobayel, majid nour, hatem sindi, nowshad amin, k. sopian, md. akhtaruzzaman.  (2020).  in vitro antioxidant activity of ficus carica l. latex from 18 different cultivars.  - scientific reports.  1-14. 

n.h.c. mat, m.a.r. bhuiyan, z. yaakob, r. wickneswari.  (2020).  full diallel crosses in superior parents of jatropha curcas l.  - industrial crops & products.  1-7. 

divya p. narayanan, anila gopalakrishnan, zahira yaakob, sankaran sugunan, binitha n. narayanan.  (2020).  a facile synthesis of clay - graphene oxide nanocomposite catalysts for solvent free multicomponent biginelli reaction.  - arabian journal of chemistry.  318-334. 

manoj pudukudy, zahira yaakob, khaleeda mhd syahri , qingming jia, shaoyun shan.  (2020).  production of hydrogen-rich syngas and multiwalled carbon nanotubes by biogas decomposition over zirconia supported iron catalysts.  - journal of industrial and engineering chemistry.  150-166. 

nur shamimie nadzwin hasnan, , sharifah najiha timmiati, manoj pudukudy, zahira yaakob, kean long lim, yun hin taufiq-yap.  (2020).  catalytic decomposition of methane into hydrogen and carbon nanotubes over mesostructured silica nanoparticle-supported nickel catalysts.  - journal of porous materials.  369-382. 

nur shamimie nadzwin hasnan,sharifah najiha timmiati,kean long lim, zahira yaakob, nur hidayatul nazirah kamaruddin, lee peng teh.  (2020).  recent developments in methane decomposition over heterogeneous catalysts: an overview.  - materials for renewable and sustainable energy.  1-18. 

azianabiha a halip khalid, zahira yaakob, siti rozaimah sheikh abdullah, mohd sobri takriff.  (2019).  assessing the feasibility of microalgae cultivation in agricultural wastewater: the nutrient characteristics.  - environmental technology and innovation.  1-9. 

m. shahinuzzaman, zahira yaakob, norrakiah abdullah sani, parul akhtar, md. zahidul islam, mst. afsana mimi, shamsul akmal shamsudin.  (2019).  optimization of extraction parameters for antioxidant and total phenolic content of ficus carica l. latex from white genoa cultivar.  - asian journal of chemistry.  1859-1865. 

nur adiba mohd noor, said nurdin, zahira yaakob, mohd sabri mahmud.  (2019).  intensification of biodiesel synthesis reactor using biphasic homogenous catalytic reaction: parametric study.  - industrial & engineering chemistry research.  9173-9178. 

nurul zafirah abd. khalim khafidz, zahira yaakob, sharifah najiha timmiati, kuen-song lin, kean long lim.  (2019).  hydrogen sorption of magnesium oxide carbon nanofibre composite.  - malaysian journal of analytical sciences.  60-70. 

manoj pudukudy, zahira yaakob, qingming jia, mohd sobri takrif..  (2019).  catalytic decomposition of methane over rare earth metal (ce and la) oxides supported iron catalysts.  - applied surface science.  236-248. 

azianabiha a. halip khalid, zahira yaakob, siti rozaimah sheikh abdullah, mohd sobri takriff.  (2019).  analysis of the elemental composition and uptake mechanism of chlorella sorokiniana for nutrient removal in agricultural wastewater under optimized response surface methodology (rsm) conditions.  - journal of cleaner production.  . 

nurazni amat bahari, wan nor roslam wan isahak, mohd shahbudin masdar, zahira yaacob.  (2019).  clean hydrogen generation and storage strategies via co2 utilization into chemicals and fuels: a review.  - international journal of energy research.  5128-5150. 

nurul hidayah che mat, nisha thopla govender, zahira yaakob, wickneswari ratnam.  (2019).  effects of open- and self-pollination on fruit set and seed quality in jatropha curcas l..  - sains malaysiana.  703-709. 

manoj pudukudy, zahira yaakob, qingming jia and mohd sobri takriff.  (2018).  catalytic decomposition of undiluted methane into hydrogen and carbon nanotubes over pt promoted ni/ceo2 catalysts.  - new journal of chemistry.  . 

buthainah ali, siti masrinda tasirin, payam aminayi, zahira yaakob, nur tantiyani ali, wadhah noori.  (2018).  non-supported nickel-based coral sponge-like porous magnetic alloys for catalytic production of syngas and carbon bio-nanofilaments via a biogas decomposition approach.  - nanomaterials.  . 

rahmat, n., yaakob, z., pudukudy, m., rahman, n.a., jahaya, s.s.  (2018).  single step solid-state fusion for mgal2o4 spinel synthesis and its influence on the structural and textural properties.  - powder technology.  409-419. 

mohd sabri mahmud, zahira yaakob, abu bakar mohamad, wan ramli wan daud and vo nguyen dai viet.  (2018).  amorphous structure in cu-zn-v-al oxide composite catalyst for methanol reforming.  - iium engineering journal.  . 

azianabiha a halip khalida, zahira yaakob, siti rozaimah sheikhabdullah, mohd sobritakriff.  (2018).  growth improvement and metabolic profiling of native and commercial chlorella sorokiniana strains acclimatized in recycled agricultural wastewater.  - bioresource technology.  930-939. 

nisha govender, siju senan, zeti-azura mohamed-hussein, mohd noor mat isa, zahira yaakob, wickneswari ratnam..  (2018).  rna-seq data of the jatropha curcas l. shoot system.  - data in brief.  . 

muhammad hanif sainorudin, masita mohammad, nurul huda abd kadir, nur athirah abdullah and zahira yaakob.  (2018).  characterization of several microcrystalline cellulose (mcc)-based agricultural wastes via x-ray diffraction method.  - solid state phenomena.  . 

akhtar, p., yaakob, z., ahmed, y., shahinuzzaman, m., hyder, m.k.m.z..  (2018).  total phenolic contents and free radical scavenging activity of different parts of jatropha species.  - asian journal of chemistry.  365-370. 

li-hua wu, mohd ridzuan nordin,zahira yaakob, kong-yong liew, jin-lin li.  (2017).  effects of fe on catalytic hydrogenation of palm oil in aqueous solution.  - chemical papers.  119-126. 

sharifah najiha badar, zahira yaakob , sharifah najiha timmiati.  (2017).  growth evaluation of microalgae isolated from palm oil mill effluent in synthetic media.  - malaysian journal of analytical sciences.  82-94. 

manoj pudukudy, zahira yaakob, nursyifaa` dahani, mohd sobri takriff & nik suhaimi mat hassan.  (2017).  production of cox free hydrogen and nanocarbon via methane decomposition over unsupported porous nickel and iron catalysts.  - journal of cluster science.  1579-1594. 

kandaramath hari, zahira yaakob.  (2017).  effect of calcination temperature on the application of sodium zirconate solid base catalyst for biodiesel production from jatropha curcas oil.  - international journal of green energy.  1-9. 

shahinuzzaman, m., zahira yaakob, yunus ahmed.  (2017).  non-sulphide zeolite catalyst for bio-jet-fuel conversion.  - renewable and sustainable energy reviews.  1375-1384. 

hamidah abdullah , md. maksudur rahman khan , huei ruey ong , zahira yaakob.  (2017).  modified tio2 photocatalyst for co2 photocatalytic reduction: an overview.  - journal of co2 utilization.  15-32. 

aminul islam, a.k.m., yaakob, z., anuar, n., primandari, s.r.p., ghani, j.a..  (2017).  properties of jatropha hybrid seed oil and its suitability as biodiesel feedstock.  - energy sources, part a: recovery, utilization and environmental effects.  1707-1717. 

alshaibani, a. , yaakob, z., alsobaai, a., sahri, m..  (2017).  effect of chemically reduced palladium supported catalyst on sunflower oil hydrogenation conversion and selectivity.  - arabian journal of chemistry.  1188-1192. 

manoj pudukudy , zahira yaakob , abudukeremu kadier , mohd sobri takriff , nik suhaimi mat hassan.  (2017).  one-pot solegel synthesis of ni/tio2 catalysts for methane decomposition into cox free hydrogen and multiwalled carbon nanotubes.  - international journal of hydrogen energy.  16495-16513. 

manoj pudukudya, zahira yaakob, mohd zulhamizan mazuki , mohd sobri takriff , seri suriani jahaya.  (2017).  one-pot sol-gel synthesis of mgo nanoparticles supported nickel and iron catalysts for undiluted methane decomposition into cox free hydrogen and nanocarbon.  - applied catalysis b: environmental.  298-316. 

moniruzzaman, m., yaakob, z., khatun, r., awang, n..  (2017).  mealybug (pseudococcidae) infestation and organic control in fig (ficus carica) orchards of malaysia.  - biology and environment.  25-32. 

rahima khatun, mohammad imam hasan reza, m. moniruzzaman, zahira yaakob.  (2017).  sustainable oil palm industry: the possibilities.  - renewable and sustainable energy reviews.  608-619. 

m. shahinuzzaman, zahira yaakob, & m. moniruzzaman.  (2016).  medicinal and cosmetics soap production from jatropha oil.  - journal of cosmetic dermatology.  185-193. 

anila gopalakrishnan, narayanan n. binitha, zahira yaakob, p. mohammed akbarsilija padikkaparambil.  (2016).  excellent photocatalytic activity of titania graphene nanocomposites prepared by a facile route.  - journal of sol-gel science and technology.  189-200. 

islam a.k.m.a., anuar n., yaakob z., osman m..  (2016).  genetic diversity among candidate plus plants (cpps) in jatropha (jatropha curcas).  - pakistan journal of agricultural sciences.  585-592. 

nurul zafirah abd. khalim khafidz, zahira yaakob, kean long lim, sharifah najiha timmiati.  (2016).  the kinetics of lightweight solid-state hydrogen storage materials: a review.  - international journal of hydrogen energy.  13131-13151. 

subramaniam sohila, ramesh rajendran, zahira yaakob, mohd asri mat teridi, kamaruzzaman sopian.  (2016).  photoelectrochemical water splitting performance of flower like zno nanostructures synthesized by a novel chemical method.  - journal of materials science: materials in electronics.  2846-2851. 

azianabiha a halip khalida, zahira yaakob , siti rozaimah sheikh abdullah, mohd sobri takriff.  (2016).  enhanced growth and nutrients removal efficiency of characium sp. cultured in agricultural wastewater via acclimatized inoculum and effluent recycling.  - journal of environmental chemical engineering.  3426-3432. 

akhtar, p. , ahmed, y., islam, f., alam, k., mary, m., islam, m.z., bhuiyan, m.m.h., yaakob, z..  (2016).  efficiency of effluent treatment plants and threat to human health and aquatic environment in bangladesh.  - asian journal of chemistry.  60-68. 

pudukudy, m. kadier, a.,yaakob, z., takriff, m.s..  (2016).  non-oxidative thermocatalytic decomposition of methane into cox free hydrogen and nanocarbon over unsupported porous nio and fe2o3 catalysts.  - international journal of hydrogen energy.  18509-18521. 

pudukudy, m. , yaakob, z., takriff, m.s..  (2016).  methane decomposition over unsupported mesoporous nickel ferrites: effect of reaction temperature on the catalytic activity and properties of the produced nanocarbon.  - rsc advances.  68081-68091. 

gong tao ding , zahira yaakob, mohd sobri takriff, jailani salihon, muhammad syukri abd rahaman.  (2016).  biomass production and nutrients removal by a newly-isolated microalgal strain chlamydomonas sp in palm oil mill effluent (pome).  - international journal of hydrogen energy.  4888-4895. 

lukman hakim, zahira yaakob, ifa puspasari, wan ramli wan daud.  (2016).  hydroxyapatite-supported tri-metallic catalyst for hydrogen production from steam reforming of glycerol.  - jurnal teknologi.  381-386. 

m. moniruzzaman, zahira yaakob, rahima khatun.  (2016).  biotechnology for jatropha improvement: a worthy exploration.  - renewable & sustainable energy reviews.  1262-1277. 

ahmed, y. , yaakob, z , akhtar, p..  (2016).  degradation and mineralization of methylene blue using a heterogeneous photo-fenton catalyst under visible and solar light irradiation.  - catalysis science and technology.  1222-1232. 

zambri harun, ishak arshad, zahira yaakob, rosdiadee nordin and hashimah hashim.  (2016).  the effectiveness of health and safety topics in an engineering course syllabus.  - pertanika social science and humanities.  155-166. 

manoj pudukudy, zahira yaakob, mohd sobri takriff.  (2016).  methane decomposition into cox free hydrogen and multiwalled carbon nanotubes over ceria, zirconia and lanthana supported nickel catalysts prepared via a facile solid state citrate fusion method.  - energy conversion and management.  302-315. 

sudha kochiyil cherikkallinmel, anila gopalakrishnan, zahira yaakob, resmi m ramakrishnan, sankaran sugunan, binitha n narayanan.  (2015).  sodium aluminate from waste aluminium source as catalyst for the transesterification of jatropha oil.  - rsc advances.  46290-46294. 

manoj pudukudy, zahira yaakob , zubair shamsul akmal.  (2015).  direct decomposition of methane over sba-15 supported ni, co and fe based bimetallic catalysts.  - applied surface science.  418-430. 

thushara kandaramath hari, zahira yaakob.  (2015).  recent development of supported monometallic gold as heterogeneous catalyst for selective liquid phase hydrogenation reactions.  - chinese journal of chemical engineering.  327-336. 

nurull muna daud, siti rozaimah sheikh abdullah, hassimi abu hasan & zahira yaakob.  (2015).  production of biodiesel and its wastewater treatment technologies: a review.  - process safety and environmental protection.  487-508. 

thushara kandaramath hari, zahira yaakob, narayanan n. binitha.  (2015).  aviation biofuel from renewable resources: routes, opportunities and challenges.  - renewable & sustainable energy reviews.  1234-1244. 

nurul hidayah che mat, md atiqur rahman bhuiyan, siju senan, zahira yaakob & wickneswari ratnam.  (2015).  selection of high yielding jatropha curcas l. accessions for elite hybrid seed production.  - sains malaysiana.  1567-1572. 

yunus ahmed, zahira yaakob, parul akhtar, kamaruzzaman sopian.  (2015).  production of biogas and performance evaluation of existing treatment processes in palm oil mill effluent (pome).  - renewable and sustainable energy reviews.  1260-1278. 

n.a. karima, s.k. kamarudin, l.k. shyuan z. yaakob, w.r.w. daud, a.a.h. kadhum.  (2015).  study on the electronic properties and molecule adsorption of w18o49 nanowires as a catalyst support in the cathodes of direct methanol fuel cells.  - journal of power sources.  461-472. 

ghazaleh allaedini, siti masrinda tasirin, payam aminayi ,zahira yaakob ,meor zainal meor talib.  (2015).  bulk production of bamboo-shaped multi-walled carbon nanotubes via catalytic decomposition of methane over tri-metallic ni/co/fe catalyst.  - reaction kinetics, mechanisms and catalysis.  385-396. 

kamrul fakir kamarudin , ding gong tao , zahira yaakob , mohd sobri takriff, muhammad syukri abd rahaman and jailani salihon.  (2015).  a review on wastewater treatment and microalgal by-product production with a prospect of palm oil mill effluent (pome) utilization for algae.  - der pharma chemica.  73-89. 

manoj pudukudy, zahira yaakob.  (2015).  methane decomposition over ni, co and fe based monometallic catalysts supported on sol gel derived sio2 microflakes.  - chemical engineering journal.  1009-1021. 

s. basri, s. k. kamarudin, w. r. wan daud, z. yaakob and a. a. h.khadum.  (2015).  study on kinetic energy of a novel metal composite for anode catalyst in direct methanol fuel cell.  - international journal of energy research.  181-190. 

manoj pudukudy, zahira yaakob, mohd sobri takriff.  (2015).  methane decomposition over pd promoted ni/mgal2o4 catalysts for the production of cox free hydrogen and multiwalled carbon nanotubes.  - applied surface science.  1320-1326. 

aminul islam a.k.m., yaakob z., anuar n., osman m., primandari s.r.p..  (2015).  preparation of biodiesel from jatropha hybrid seed oil through two-step transesterification.  - energy sources, part a: recovery, utilization and environmental effects.  1550-1559. 

hari, t.k. , yaakob, z..  (2015).  production of diesel fuel by the hydrotreatment of jatropha oil derived fatty acid methyl esters over al2o3 and sio2 supported nico bimetallic catalysts.  - reaction kinetics, mechanisms and catalysis.  131-145. 

ahmed, y., yaakob, z., akhtar, p., rahman, m., islam, f..  (2015).  in vitro antibacterial and in vivo brine shrimp lethal active compounds isolated from the leaves of saurauia roxburghii.  - international journal of pharmacology.  821-827. 

abdullah, h., khan, m.r, pudukudy, m, yaakob, z. , ismail, n.a..  (2015).  ceo2-tio2 as a visible light active catalyst for the photoreduction of co2 to methanol.  - journal of rare earths.  1155-1161. 

hari, t.k., yaakob, z.  (2015).  cofe/y- al2o3 catalyst for the hydrotreatment of fatty acid methyl esters (fame).  - chemistry letters.  1237-1239. 

alshaibani a., yaakob z..  (2015).  performance of pd-b/sio2 catalyst in hydrogenation of sunflower oil.  - asian journal of chemistry.  630-634. 

teuku husaini, w.r.w. daud, z. yaakob, e.h. majlan.  (2015).  preparation and characterization of low temperature ptfe-nafion composite membranes for hydrogen production.  - international journal of hydrogen energy.  10072-10080. 

a.k.m. aminul islam, nurina anuar, zahira yaakob & jaharah a. ghani.  (2015).  germination behaviour of 6 × 6 diallel hybrids of an energy crop jatropha curcas l.  - sains malaysiana.  1275-1281. 

a.k.m. aminul islam, nurina anuar, zahira yaakob, jaharah a. ghani & mohamad osman.  (2015).  diallel analysis for seed yield and related traits in an energy crop jatropha curcas.  - sains malaysiana.  979-986. 

aung, m.m.,yaakob, z.,abdullah, l.c.,rayung, m., li, w.j..  (2015).  a comparative study of acrylate oligomer on jatropha and palm oil-based uv-curable surface coating.  - industrial crops and products.  1047-1052. 

manoj pudukudya, zahira yaakob, zubair shamsul akmal.  (2015).  direct decomposition of methane over sba15 supported ni, co and fe based bimetallic catalysts.  - applied surface science.  418-430. 

a.n. siregar, j.a. ghani, c.h.c. haron, m. rizal, z. yaakob, s.k. kamarudin.  (2015).  comparison of oil press for jatropha oil a- review.  - research in agricultural engineering.  1-13. 

min min aung, zahira yaakob, siti kamarudin, luqman chuah abdullah.  (2014).  synthesis and characterization of jatropha (jatropha curcas l.) oil-based polyurethane wood adhesive.  - industrial crops and products.  60:177-185. 

suraja viswanathan, binitha narayanan,zahira yaakob, pradeepan periyat, silija padikkaparambil.  (2014).  selective formation of aniline over nanogold incorporated cobalt loaded sba 15 catalysts.  - journal of porous materials.  21:251-262. 

nasir, n.f., daud, w.r.w., kamarudin, s.k. & yaakob, z..  (2014).  methyl esters selectivity of transesterification reaction with homogenous alkaline catalyst to produce biodiesel in batch, plug flow and continuous stirred tank reactors..  - international journal of chemical engineering.  1-13. 

manoj pudukudy, zahira yaakob, masita mohammad, binitha narayanan, kamaruzzaman sopian.  (2014).  renewable hydrogen economy in asia - opportunities and challenges: an overview.  - renewable and sustainable energy reviews.  743-757. 

bshish, a., yaakob, z., ebshish, a., alhasan, f.h..  (2014).  hydrogen production via ethanol steam reforming over ni/al 2o3 catalysts: effect of ni loading.  - journal of energy resources technology-transactions of the asme.  136(1):012601. 

zahira yaakob, binitha n. narayanan, silija padikkaparambil, surya unni k.,mohammed akbar p..  (2014).  a review on the oxidation stability of biodiesel.  - renewable and sustainable energy reviews.  136-153. 

samaneh shahgaldi, mostafa ghasemi, wan ramli wan daud, zahira yaakob, mehdi sedighi, javed alam, ahmad fuazi ismail.  (2014).  performance enhancement of microbial fuel cell by pvdf/nafion nanofibre composite proton exchange membrane.  - fuel processing technology.  124:290-295. 

ebshish, a. , yaakob, z. , taufiq-yap, y.h. , bshish, a..  (2014).  investigation of the process conditions for hydrogen production by steam reforming of glycerol over ni/al2o3 catalyst using response surface methodology (rsm).  - materials.  7(3):2257-2272. 

abdul majid alshaibani, zahira yaakob, abdul jalil ghaleb.  (2014).  optimization of sunflower oil hydrogenation on pd-b/y-al2 o3 catalyst.  - oriental journal of chemistry.  30(1):167-180. 

rajendran r., pudukudy m., sohila s., yaakob z., rahaman m.s.a..  (2014).  facile preparation of ag3po4 rhombic dodecahedron microcrystals with enhanced catalytic activities under visible light irradiation.  - journal of materials science: materials in electronics.  4755 - 4759. 

azman s.r., ismail m., kadhum a.a.h., yaakob z..  (2014).  the performance of monolithic structured calcium oxide for biodiesel.  - international journal of automotive and mechanical engineering.  1959 - 1970. 

alshaibani a.m., yaakob z., alsobaai a.m., sahri m..  (2014).  optimization of pd-b/?al2o3 catalyst preparation for palm oil hydrogenation by response surface methodology (rsm).  - brazilian journal of chemical engineering.  69 - 78. 

pudukudy m., yaakob z..  (2014).  sol-gel synthesis, characterisation, and photocatalytic activity of porous spinel co3o4 nanosheets.  - chemical papers.  1087 - 1096. 

pudukudy m., yaakob z., narayanan b..  (2014).  selective vapour phase oxidation of benzyl alcohol to benzaldehyde over mesoporous ceria-zirconia solid solution synthesized via a facile citrate route.  - journal of cluster science.  1599 - 1614. 

pudukudy m., yaakob z..  (2014).  facile synthesis of quasi spherical zno nanoparticles with excellent photocatalytic activity.  - journal of cluster science.  . 

pudukudy, m. , yaakob, z..  (2014).  facile solid state synthesis of zno hexagonal nanogranules with excellent photocatalytic activity.  - applied surface science.  292:520-530. 

manoj pudukudy, zahira yaakob.  (2014).  simple chemical synthesis of novel zno nanostructures: role of counter ions.  - solid state sciences.  30:78-88. 

zahira yaakob, ehsan ali, afifi zainal, masita mohammad, mohd sobri takriff.  (2014).  an overview: biomolecules from microalgae for animal feed and aquaculture.  - journal of biological research-thessaloniki.  1-10. 

ramu, p. , anbarasan, p.m., ramesh, r., aravindan, s., ponnusamy, s., muthamizhchelvan, c., yaakob, z..  (2014).  synthesis of dumbbell shaped zno crystals using one-pot hydrothermal method and their characterisations.  - materials letters.  122:230-233. 

s. basri,s. k. kamarudin, w. r. w. daud, z. yaakob and a. a. h. kadhum.  (2014).  novel anode catalyst for direct methanol fuel cells.  - the scientific world journal.  2014 (547604):1-8. 

renganathan rajkumar, zahira yaakob, and mohd sobri takriff.  (2014).  potential of the micro and macro algae for biofuel production: a brief review.  - bioresources.  9(1):1606-1633. 

suraja p. viswanathan, binitha n. narayanan, zahira yaakob, silija padikkaparambil, masita mohammad.  (2014).  nanogold embedded co3o4 spinel supported over sba 15 for the reduction of aquatic pollutant 4-nitrophenol.  - reaction kinetics mechanisms and catalysis.  335-345. 

manoj pudukudy, zahira yaakob,, ramesh rajendran.  (2014).  facile synthesis of mesoporous mn2o3 microspheres via morphology conserved thermal decomposition of mnco3 microspheres.  - materials letters.  85-89. 

ifa puspasari, siti masrinda tasirin, ng pin pin and zahira yaakob.  (2014).  hydrodynamic characteristics of group d particles (paddy grains) in a conical-based spouted bed with and without draft tube.  - world applied sciences journal.  29(11):1350-1356. 

n.a. karim, s.k.kamarudin, l.k.shyuan,z.yaakob, w.r.w.daud, a.a.h.khadum.  (2014).  novel cathode catalyst for dmfc: study of the density of states of oxygen adsorption using density functional theory.  - international of hydrogen energy.  17295-17305. 

ramesh rajendran, zahira yaakob, mohd asri mat teridi, muhammad syukri abd rahaman, kamaruzzaman sopian.  (2014).  preparation of nanostructured p-nio/n-fe2o3 heterojunction and study of their enhanced photoelectrochemical water splitting performance.  - materials letters.  123-126. 

alshaibani, a.m. , yaakob, z. , alsobaai, a.m. , sahri, m..  (2014).  alshaibani, a.m.a , yaakob, z.a , alsobaai, a.m.b , sahri, m..  - brazilian journal of chemical engineering.  69-78. 

manoj pudukudy , ain hetieqa, zahira yaakob.  (2014).  synthesis, characterization and photocatalytic activity of annealing dependent quasi spherical and capsule like zno nanostructures.  - applied surface science.  221-229. 

siti masrinda tasirin, ifa puspasari, ahmad zorin sahalan, marliyana mokhtar, mohamed kamel abdul ghani & zahira yaakob.  (2014).  drying of citrus sinensis peels in an inert fluidized bed: kinetics, microbiological activity, vitamin c, and limonene determination.  - drying technology.  497-508. 

pudukudy m, yaakob z.  (2014).  catalytic aspects of ceria zirconia solid solution: part-ii an overview on recent developments in the heterogeneous catalytic applications of metal loaded ceria-zirconia solid solution.  - der pharma chemica.  6(1):224-240. 

pudukudy m, yaakob z.  (2014).  catalytic aspects of ceria-zirconia solid solution: part-i an update inthe synthesis, propertiesand chemical reactions of ceria zirconia solid solution.  - der pharma chemica.  6(1):188-216. 

ramesh rajendran, zahira yaakob , manoj pudukudy , muhammad syukri abd rahaman , kamaruzzaman sopian.  (2014).  photoelectrochemical water splitting performance of vertically aligned hematite nanoflakes deposited on fto by a hydrothermal method.  - journal of alloys and compounds.  608: 207-212. 

zahira yaakob, kamrul fakir kamarudin, renganathan rajkumar, mohd sobri takriff and sharifah najiha badar.  (2014).  the current methods for the biomass production of the microalgae from wastewaters: an overview.  - world applied sciences journal.  31(10):1744-1758. 

manoj pudukudy, zahira yaakob, ramesh rajendran, thushara kandaramath.  (2014).  photodegradation of methylene blue over novel 3d zno microflowers with hexagonal pyramid-like petals.  - reaction kinetics, mechanisms and catalysis.  112:527-542. 

yun, t.m., puspasari, i., tasirin, s.m., talib, m.z.m., daud, w.r.w., yaakob, z..  (2013).  drying of oil palm frond particles in a fluidized bed dryer with inert medium.  - chemical industry and chemical engineering quarterly.  19(4):593-603. 

zahira yaakob, masita mohammad, mohammad alherbawi, zahangir alam, kamaruzaman sopian.  (2013).  overview of the production of biodiesel from waste cooking oil.  - renewable & sustainable energy reviews.  18:184-193. 

tasirin, s.m., puspasari, i., xing, l.j., yaakob, z., ghani, j.a.g.  (2013).  energy optimization of fluidized bed drying of orange peel using taguchi method.  - world applied sciences journal.  26 (12):1602-1609. 

sri rizki putri primandari, zahira yaakob, masita mohammad and abu bakar mohamad.  (2013).  characteristics of residual oil extracted from palm oil mill effluent (pome).  - world applied sciences journal.  1482-1484. 

teuku husaini, majlan edy herianto, yaakob zahira, wan daud wan ramli.  (2013).  ptfe-nafion membrane reactor for hydrogen production.  - international journal of hydrogen energy.  38(22):9553-9561. 

a. k. m. akminul islam, s. r. p. primandari, z. yaakob, n. anuar, and m. osman.  (2013).  the properties of jatropha curcas seed oil from seven different countries.  - energy sources part a-recovery utilization and environmental effects.  35:1698-1703. 

zahira yaakob, ahmed bshish, ali ebshish, siti masrinda tasirin and fatah h. alhasan.  (2013).  hydrogen production by steam reforming of ethanol over nickel catalysts supported on sol gel made alumina: influence of calcination temperature on supports.  - materials.  6:2229-2239. 

kamrul fakir kamarudin, zahira yaakob, renganathan rajkumar, mohd sobri takriff, siti masrinda tasirin.  (2013).  bioremediation of palm oil mill effluents (pome) using scenedesmus dimorphus and chlorella vulgaris.  - advanced science letters.  9(10):2914-2918. 

r. rajkumar, z. yaakob, m.s. takriff, k.f. kamarudin.  (2013).  optimization of medium composition for the production of peroxidase by bacillus sp..  - der pharma chemica.  5(2):167-174. 

pudukudy, m., yaakob, z., rajendran, r..  (2013).  visible light active novel wo3 nanospheres for methylene blue degradation.  - der pharma chemica.  5(6):208-212. 

n.f. nasir, w.r.w. daud, s.k. kamarudin, z. yaakob.  (2013).  process system engineering in biodiesel production: a review.  - renewable and sustainable energy reviews.  22:631-639. 

muhammad ansori nasution, zahira yaakob, ehsan ali, ng bee lan and siti rozaimah sheikh abdullah.  (2013).  a comparative study using aluminum and iron electrodes for the electrocoagulation of palm oil mill effluent to reduce its polluting nature and hydrogen production simultaneously.  - pakistan journal of zoology.  45(2):331-337. 

m. t. elshaarani, z. yaakob, k.z.m. dahlan, m. mohammad.  (2013).  jatropha deoiled cake filler-reinforced medium-density polyethylene biocomposites: effect of filler loading and coupling agent on the mechanical, dynamic mechanical and morphological properties.  - polymer composites.  746-756. 

hakim, l. , yaakob, z., ismail, m., daud, w.r.w., sari, r..  (2013).  hydrogen production by steam reforming of glycerol over ni/ce/cu hydroxyapatite-supported catalysts.  - chemical papers.  703-712. 

masita mohammad, thushara kandaramath hari, zahira yaakob, yogesh chandra sharma, kamaruzzaman sopian.  (2013).  overview on the production of paraffin based-biofuels via catalytic hydrodeoxygenation.  - renewable and sustainable energy reviews.  121-132. 

masita mohammad, zahira yaakob, siti rozaimah sheikh abdullah.  (2013).  carbon derived from jatropha seed hull as a potential green adsorbent for cadmium (ii) removal from wastewater.  - materials.  4462-4478. 

ali ebshish, zahira yaakob, y.h. taufiq-yap, ahmed bshish abdulmajid shaibani.  (2013).  catalytic steam reforming of glycerol over cerium and palladium-based catalysts for hydrogen production.  - journal of fuel cell science and technology.  10(2):021003. 

manoj pudukudy, zahira yaakob.  (2013).  hydrothermal synthesis of mesostructured zno micropyramids with enhanced photocatalytic performance.  - superlattices and microstructures.  47-57. 

manoj pudukudy, zahira yaakob, binitha narayanan, anila gopalakrishnan, siti masrinda tasirin.  (2013).  facile synthesis of bimodal mesoporous spinel co3o4 nanomaterials and their structural properties.  - superlattices and microstructures.  15-26. 

mohamed gabbasa, kamaruzzaman sopian, zahira yaakob, m. reza faraji zonooz , ahmad fudholi, nilofar asim.  (2013).  review of the energy supply status for sustainable development in the organization of islamic conference.  - renewable and sustainable energy reviews.  28:18-28. 

p.v. suraja, z. yaakob, n.n. binitha, s. triwahyono, p.p silija.  (2013).  co3o4 doped over sba 15: excellent adsorbent materials for the removal of methyleneblue dye pollutant.  - clean technologies and environmental policy.  15(6):967-975. 

sari, r , yaakob, z. , ismail, m. , daud, w.r.w. , hakim, l..  (2013).  palladium-alumina composite membrane for hydrogen separator fabricated by combined sol-gel, and electroless plating technique.  - ceramics international.  39(3):3211-3219. 

afifi zainal, zahira yaakob, mohd sobri takriff, renganathan rajkumar, and jaharah abdul ghani.  (2012).  phycoremediation in anaerobically digested palm oil mill effluent using cyanobacterium, spirulina platensis.  - journal of biobased materials and bioenergy.  6:1-6. 

abdulmajid m. alshaibani, zahira yaakob, ahmed m. alsobaai and miskandar sahri.  (2012).  palladium-boron catalyst for vegetable oils hydrogenation.  - rasayan journal of chemistry.  5(4):463-467. 

jaharah a. ghani, yeong shoot kian, stephanie tan chia ven, zahira yaakob, and che hassan che haron.  (2012).  performance of biodegradable palm oil coolant in machining process.  - journal of biobased materials and bioenergy.  6:1-4. 

s. irwan, z. yaakob, m. n. satheesh kumar, s. r. p. primandari and s. k. kamarudin.  (2012).  biodiesel progress in malaysia.  - energy sources part a-recovery utilization and environmental effects.  34(23):2139-2146. 

samaneh shahgaldi, zahira yaakob, norazrina mat jalil, siti masrinda tasirin.  (2012).  synthesis of high-surface-area hexagonal lani5 nanofibers via electrospinning.  - journal of alloys and compounds.  541:335-337. 

samaneh shahgaldi, zahira yaakob, dariush jafar khadem, wan ramli wan daud.  (2012).  characterization and the hydrogen storage capacity of titania-coated electrospun boron nitride nanofibers.  - international journal of hydrogen energy.  37(15):11237-11243. 

nik n.a.n yusuf, siti k. kamarudin, zahira yaakob.  (2012).  overview on the production of biodiesel from jatropha curcas l. by using heterogenous catalysts.  - biofuels, bioproducts and bio-refinery.  6:319-334. 

padikkaparambil, s., yaakob, z., narayanan, b.n., ramakrishnan, r., viswanathan, s..  (2012).  novel preparation method of nanosilver doped sol gel tio 2 photocatalysts for dye pollutant degradation.  - journal of sol-gel science and technology.  63:108-115. 

t. elshaarani, z. yaakob, m. d. khairul zaman, m. mohammad, s. r. s. abdullah.  (2012).  mechanical properties, morphology, flammability, and thermokinetic investigation of high-density polyethylene/jatropha deoiled cake composites.  - journal of applied polymer science.  E78-E88. 

manoj pudukudy, zahira yaakob, binitha narayanan, resmi ramakrishnan, suraja viswanathan.  (2012).  hydrogen production from sea water using waste aluminium and calcium oxide (retracted ).  - international journal of hydrogen energy.  37:7451-7456. 

zahira yaakob, dariush jafar khadem, samaneh shahgaldi, wan ramli wan daud, siti masrinda tasirin.  (2012).  the role of al and mg in the hydrogen storage of electrospun zno nanofibers.  - international journal of hydrogen energy.  37(10):8388-8394. 

mostafa ghasemi, samaneh shahgaldi, manal ismail, zahira yaakob, wan ramli wan daud.  (2012).  new generation of carbon nanocomposite proton exchange membranes in microbial fuel cell systems.  - chemical engineering journal.  184:82-89. 

liew weng hui, zahira yaakob, siti rozaimah sheikh abdullah.  (2012).  artificial neural network modeling and performance optimization on biodiesel production process.  - journal of applied sciences research.  8(9):4854-4864. 

fatiha suja`, zahira yaakub, azah mohamed.  (2012).  the achievements of engineering masters coursework students from diverse backgrounds.  - asian social science.  8(16):104-110. 

ali ebshish, zahira yaakob, yun h taufiq-yap, ahmed bshish, siti masrinda tasirin.  (2012).  review of hydrogen production via glycerol reforming.  - proceedings of the institution of mechanical engineers part a: journal of power and energy.  226(8):1060-1075. 

viswanathan suraja, zahira yaakob, narayanan binitha, ali ebshish, koodathil ranjana.  (2012).  surface capped silver nanoparticles over anatase titania: an efficient catalyst for aromatic nitration reactions.  - reaction kinetics, mechanisms and catalysis.  105:361-371. 

a. k. m. aminul islam, z. yaakob, n. anuar, s. r. p. primandari and m. osman.  (2012).  physiochemical properties of jatropha curcas seed oil from different origins and candidate plus plants (cpps).  - journal of the american oil chemists society.  89(2):293-300. 

zahira yaakob, irwan sukma bin sukarman, binitha narayanan, siti rozaimah sheikh abdullah, manal ismail.  (2012).  utilization of palm empty fruit bunch for the production of biodiesel from jatropha curcas oil.  - bioresource technology.  104:695-700. 

padikkaparambil silija, zahira yaakob, viswanathan suraja, njarakkattuvalappil narayanan binitha, and zubair shamsul akmal.  (2012).  an enthusiastic glance in to the visible responsive photocatalysts for energy production and pollutant removal, with special emphasis on titania.  - international journal of photoenergy.  2012:1-19. 

n.n.a.n.yusuf, s.k.kamarudin, z.yaakub.  (2011).  overview on the current trends in biodiesel production.  - energy conversion and management.  52:2741-2751. 

r. indu shekar, m.n. satheesh kumar, p.m. damodhara rao, z. yaakob, t.m. kotresh, siddaramaiah and chandrakala.  (2011).  studies on the composites produced from co-weaved poly ether ether ketone and glass fiber fabric.  - journal of composite materials.  45(7):741-749. 

narayanan binitha, viswanathan suraja, zahira yaakob & sankaran sugunan.  (2011).  synthesis of polyaniline-montmorillonite nanocomposites using h2o2 as the oxidant-[sintesis komposit nanopolianilia-montmorilonit menggunakan h2o2 sebagai pengoksida].  - sains malaysiana.  40(3):215-219. 

islam, a. k. m. a., zahira yaakob dan nurina anuar.  (2011).  jatropha: a multipurpose plant with considerable potential for the tropics.  - scientific research and essay.  6(13):2597-2605. 

silija, p , yaakob, z. , yarmo, m.a. , sugunan, s. , binitha, n.n..  (2011).  visible light active anion codoped sol gel titania photocatalyst for pollutant degradation.  - journal of sol-gel science and technology.  59(2):252-259. 

m. ansori nasution, z. yaakob, ehsan ali, s. m. tasirin dan s.r.s abdullah.  (2011).  electrocoagulation of palm oil mill effluent as wastewater treatment and hydrogen production using electrode aluminum.  - journal of environmental quality.  40(4):1332-13. 

yaakob, z., padikkaparambil, s., binitha, n., resmi, r., suraja, v..  (2011).  transesterification of ethylacetate over na2si2o5 solid catalyst.  - chemical engineering transactions.  24:103-108. 

p.v. suraja, z. yaakob, n.n. binitha, m.r. resmi, p.p. silija.  (2011).  photocatalytic degradation of dye pollutant over ti and co doped sba-15: comparison of activities under visible light.  - chemical engineering journal.  doi:10.1016/j.cej.2011.05. 

mostafa ghasemi, samaneh shahgaldi, manal ismail, byung hong kim, zahira yaakob, wan ramli wan daud.  (2011).  activated carbon nanofibers as an alternative cathode catalyst to platinum in a two-chamber microbial fuel cell.  - international journal of hydrogen energy.  36(21):13746-13752. 

samaneh shahgaldi, zahira yaakob, dariush jafar khadem, mojgan ahmadrezaei, wan ramli wan daud.  (2011).  synthesis and characterization of cobalt-free ba0.5sr0.5fe0.8cu0.2o3-delta perovskite oxide cathode nanofibers.  - journal of alloys and compounds.  509(37):9005-9009. 

ahmed bshish, zahira yaakob, binitha narayanan, resmi ramakrishnan and ali ebshish.  (2011).  steam-reforming of ethanol for hydrogen production.  - chemical papers.  65 (3): 251-266. 

m. n. satheesh kumar, z. yaakob, n. mohan, siddaramaiah, s. p. kumaresh babu.  (2010).  mechanical and abrasive wear studies on biobased jatropha oil cake incorporated glass-epoxy composites.  - journal of the american oil chemists society.  87 (8) , pp. 929-936. 

s. shahgaldi, z. yaakob, sh. moradi, m. ghorannevis, w.r.w. daud, d.j. khadem and n. mokhtarian.  (2010).  effects of sputtering gas and metallic thin film on the growth of carbon nanostructures.  - world applied sciences journal.  9:8-13. 

a. emil, zahira yaakob, m. n. satheesh kumar, j. m. jahim and j. salimon.  (2010).  comparative evaluation of physicochemical properties of jatropha seed oil from malaysia, indonesia and thailand.  - journal of the american oil chemists society.  87(6):689-695. 

manjula, ks; kumar, mns; yaakob, z; siddaramaiah.  (2010).  molecular transport behavior of substituted aromatic solvents through biobased chain extended polyurethane.  - journal of macromolecular science, part a.  47(2):99-105. 

narayanan b.n., koodathil r., gangadharan t., yaakob z., saidu f.k., chandralayam s..  (2010).  preparation and characterization of exfoliated polyaniline/montmorillonite nanocomposites.  - materials science and engineering b-advanced functional solid-state materials.  168(3-Jan):242-244. 

kean long lim, hossein kazemian, zahira yaakob, wan ramli wan daud.  (2010).  solid-state materials and methods for hydrogen storage: a critical review.  - chemical engineering & technology.  33(2):213-226. 

z. yaakob, a. min min, m. n. satheesh kumar, s. s. k. kamarudin, m. m. hilmi and h. m. khairul zaman.  (2010).  oleic acid-based polyurethane and its biocomposites with oil palm trunk fiber dust.  - journal of thermoplastic composite materials.  23(4):447-458. 

m.m. ahmad, s.k. kamarudin, w.r.w. daud, z. yaakub.  (2010).  high power passive mu dmfc with low catalyst loading for small power generation.  - energy conversion and management.  51(4):821-825. 

r. sari, z. yaakob, m. ismail and w.r.w. daud.  (2010).  preparation of palladium-alumina membrane tube by combine sol-gel process with electroless plating for hydrogen permeation.  - journal of applied sciences.  10(12):1151-1156. 

z. yaakob, s. k. kamarudin, w. r. w. daud, m. r. yosfiah, k. l. lim and h. kazemian.  (2010).  hydrogen production by methanol-steam reforming using ni-mo-cu/gamma-alumina trimettalic catalysts.  - asia-pacific journal of chemical engineering.  5:862-868. 

m. n. satheesh kumar, zahira yaakob, siti maimunah, siddaramaiah, s. r. s. abdullah.  (2010).  synthesis of alkyd resin from non-edible jatropha seed oil.  - journal of polymers and the environment.  DOI:10.1007/s10924-010-. 

a. k. m. aminul islam, nurina anuar, zahira yaakob, and mohamad osman.  (2010).  improving plant growth and yield of jatropha (jatropha curcas l.) through apical bud pinching.  - international journal of fruit science.  10(3):281-293. 

s. basri, s.k. kamarudin, w.r.w. daud, z. yaakub.  (2010).  nanocatalyst for direct methanol fuel cell (dmfc).  - international journal of hydrogen energy.  35(15):7957-7970. 

n.n. binitha, p.v. suraja, z. yaakob, m.r. resmi, p.p silija.  (2010).  simple synthesis of co3o4 nanoflakes using a low temperature sol-gel method suitable for photodegradation of dyes.  - journal of sol-gel science and technology.  53(2):466-469. 

narayanan n. binitha, zahira yaakob, ramakrishnan resmi.  (2010).  influence of synthesis methods on zirconium doped titania photocatalysts.  - central european journal of chemistry.  18(1):182-187. 

othman n., kamarudin s.k., yunus m.n.md., abdullah s.r.s., yaakob z..  (2009).  co2 production from degraded woods via a novel integrated pyrolysis-combustion process.  - journal of analytical and applied pyrolysis.  85(1-2):72-80. 

m. n. satheesh kumar , z. yaakob , siddaramaiah.  (2009).  poly(styrene-co-butyl acrylate) latex-reinforced polyester nonwoven fabric composites: thermal and morphological studies.  - journal of applied polymer science.  114(1):467-474. 

a.k.m.a. islam, n. anuar and z. yaakob.  (2009).  effect of genotypes and pre-sowing treatments on seed germination behavior of jatropha.  - asian journal of plant sciences.  8(6):433-439. 

s. habibi, h. abdullah, n. p. ariyanto, s. m. tasirin, z. yaakob and c. f. dee.  (2009).  effect of al concentration on structural and optical property zno thin films as antireflecting coating.  - materials research innovations.  13(3):142-144. 

s.basri, s.k.kamarudin, w.r.w.daud, z.yaakub, m.s.m.ahmad, n.hashim, u.a.azran.  (2009).  unsteady-state modelling for a passive liquid-feed dmfc.  - international journal of hydrogen energy.  34(14):5729-5769. 

s.k.kamarudin, z. yaakob dan s.y.wong.  (2009).  kajian eksergeokonomi ke atas sistem sel bahan api membran elektrolit polimer..  - sains malaysiana.  38(3):371-379. 

s.k.kamarudin, a.othman, z. yaakob, s. r.s. abdullah, a. zaharim.  (2009).  design of experiments: production of co2 from aquilariella malaccensis woods via pyrolysis-combustion process.  - wseas transactions on environment and development.  5(5):371-383. 

binitha n. narayanan, zahira yaakob, ranjana koodathil, soumini chandralayam, sankaran sugunan, femina k. saidu, vineetha malayattil.  (2009).  photodegradation of methylorange over zirconia doped tio2 using solar energy.  - european journal of scientific research.  28(4):567-572. 

emil akbar, narayanan binitha, zahira yaakob, siti kartom kamarudin, jumat salimon.  (2009).  preparation of na doped sio2 solid catalysts by sol-gel method for the production of biodiesel from jatropha oil.  - green chemistry.  11(11):1862-1866. 

emil akbar, zahira yaakob,siti kartom kamarudin, manal ismail, jumat salimon.  (2009).  characteristic and composition of jatropha curcas oil seed from malaysia and its potential as biodiesel feedstock.  - european journal of scientific research.  29(3):396-403. 

yaakob z., kumar m.n., ibrahim m.a., daud w.r.w., kadhum a.a.h..  (2009).  multi-composition cu-zn-al catalyst supported on zsm-5 for hydrogen production.  - european journal of scientific research.  28(1):141-154. 

s.k.kamarudin, w.r.w.daud, zahira yaakub, z.misron, w.anuar and n.n.a.n.yusuf.  (2009).  synthesis and optimization of future hydrogen energy infrastructure planning in peninsular malaysia.  - international journal of hydrogen energy.  34(5):2077-2088. 

s.l. ho, s.k. kamarudin, w.r.w. daud and z. yaakub.  (2009).  performance evaluation of a passive direct methanol fuel cell.  - journal of applied sciences.  9(7):1324-1330. 

effendi z., ramli r., ghani j.a., yaakob z..  (2009).  development of jatropha curcas color grading system for ripeness evaluation.  - european journal of scientific research.  30(4):662-669. 

yaakob, z., min min a., mohd hilmi m., khairul zaman hj m.d and kamarudin s.k..  (2009).  effect of compactabilization of polymer on the properties of polyurethane-palm fiber composites.  - journal of polymer engineering.  29(8-9):503-520. 

zahira yaakob, b.h.ong, m.n. satheesh kumar and s.k.kamarudin.  (2009).  microwave assisted transesterification of jatropha and waste frying palm oil.  - international journal of sustainable energy.  28(4):195-201. 

z. yaakob, jaharah a. g, s.k. kamaruddin, w.r.w. daud, k.l. lim.  (2009).  the effect of catalyst metal loading and temperature on the reduction of carbon monoxide concentration in hydrogen production by steam reforming of methanol (srm).  - european journal of scientific research.  26(2):238-246. 

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s.basri, s.k.kamarudin, w.r.w.daud, z.yaakub.  (2008).  development of design advisor tool for direct methanol fuel cell.  - european journal of scientific research.  23(2):338-350. 

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