khoo kok siong.  (2023).  japanese nuclear treated wastewater, how big is the impact on you and me?.  - 8tv - living delight (2023).  . 

mohd idzat bin idris;irman bin abdul rahman;faizal bin k.p. kunchi mohamed;khoo kok siong;norsyahidah binti mohd hidzir;aznan fazli bin ismail;syazwani binti mohd fadzil;imran bin yusuff;nurul nafiqah binti itam sulaiman.  (2022).  pengesahan pensterilan gamma berpandukan standard iso 11137-1, iso 11137-2 dan iso 11137-3.  - .  . 

e. phillip, k.s. khoo, m.a.w. yusof, r.o. abdel rahman.  (2022).  mechanistic insights into the dynamics of radionuclides retention in evolved pofa-opc and opc barriers in radioactive waste disposal.  - chemical engineering journal.  1-14. 

wan syaidatul aqma, sukiman sarmani, ainon hamzah, muhamad samudi yasir, shahidan radiman, mohd hariri arifin, khoo kok siong, faizal mohamed, irman abdul rahman.  (2022).  penilaian kualiti air bawah tanah di kelantan dan pahang, malaysia.  - sains malaysiana.  3495-3507. 

aznan fazli ismail, khoo kok siong, faizal mohamed, imran abdul rahman, wan mohd razi idris, mohd idzat idris, syazwani mohd fadzil, norsyahidah mohd hidzir, azlan shah mustafa, ahmad takim saring, che mohd zaidi che daud, tazidi mohd taib, munira hasan.  (2022).  perintah pelesenan tenaga atom (kilang amang kecil) (pengecualian) (pembatalan) 2021.  - .  3. 

aznan fazli ismail, irman abdul rahman, khoo kok siong, faizal mohamed, wan mohd razi idris, mohd idzat idris, syazwani mohd fadzil, nursyahidah mohd hidzir, eli syafiqah aziman, muhammad abdullah rahmat, nur syamimi diyana rodzi.  (2022).  laporan akhir - penilaian impak radiologi ke atas kilang amang di perak.  - .  1-88. 

irman abdul rahman, mohd firdaus bin mohd raih, faizal bin k.p. kunchi mohamed, khoo kok siong.  (2021).  malaysia research and development classification system 7th edition.  - .  1-265. 

nur rabiatul adawiyah mohd shah, nora batrisyia ahmad dzubir, kok siong khoo, nur syuhada izzati ruzali, syazwani mohd fadzil.  (2021).  monitoring of leachability of norm around waste storage facility.  - journal of nuclear and related technologies.  26-35. 

jobaidul islam, shahidan radiman, kok siong khoo.  (2021).  exploring the core deformation properties of 29f halo nucleus using t- and y-configurations.  - chinese journal of physics.  263-270. 

nurrul assyikeen md jaffary, nor hasimah mohamed, khoo kok siong, syazwani mohd fadzil, siti nor syuhada hamdan, ungku aida farzana ungku azly, nurul munawwarah aziz, azian hashim, wooyong um.  (2021).  characterization of phosphorylated natural rubber as thorium bio-adsorbent prepared by radiation-induced graft polymerization.  - radiation physics and chemistry.  1-10. 

e phillip, k s khoo, m a w yusof, r o abdel rahman.  (2021).  evaluation of radium and caesium containment performance of palm oil fuel ash-supplemented cementitious backfill for borehole disposal: kinetic investigations.  - international nuclear science, technology and engineering conference 2020 (inustec2020).  1-16. 

e. phillip, k.s. khoo, m.a.w. yusof, r.o. abdel rahman.  (2021).  assessment of pofa -cementitious material as backfill barrier in dsrs borehole disposal: 226ra confinement.  - journal of environmental management.  1-10. 

wissal asous, meng-hock koh, kok-siong khoo, phillippe quentin, ludovic bonneau.  (2021).  impact of exact coulomb exchange on alpha-decay half-lives of super heavy nuclei.  - persidangan fizik kebangsaan 2021 (perfik2021).  1-5. 

aznan fazli bin ismail;amran bin ab. majid;khoo kok siong.  (2020).  removal of uranium and thorium from industrial waste through electrosorption technique.  - .  . 

j. islam, f.h.m.salih, s. radiman, k. s. khoo.  (2020).  core deformation impact of one- and two-proton halo 27s nucleus.  - physics of atomic nuclei.  684-690. 

fitri hakeem m. salih, jobaidul islam, shahidan radiman, khoo kok siong.  (2020).  halo structure investigation of nucleus he-8 via core deformation parameter.  - sains malaysiana.  877-884. 

j islam, s radiman, k s. khoo.  (2020).  density distribution investigation through the geometrical structure for the 27s halo nucleus.  - international nuclear science, technology and engineering conference 2020 (inustec2020).  1-5. 

khoo kok siong;shahidan bin radiman.  (2020).  the integration study of three body model, microscopic model and microscopic cluster model for nuclear properties of he-8 and he-10 neutron rich halo nuclei.  - .  . 

jobaidul islam, khoo kok siong.  (2020).  theoretical investigation on nucleon distribution for the 27s halo nucleus.  - graduate colloquium research book of the department of applied physics 2020.  10-12. 

faridah mohamad idris, julie andrianny murshid, aznan fazli ismail, syazwani mohd fadzil, mohd idzat idris, imran yusuff, norsyahidah mohd hidzir, irman abdul rahman , khoo kok siong, faizal mohamed, mohd syukri yahya.  (2020).  iop conference series: materials science and engineering.  - international nuclear science technology and engineering conference 2019 (inustec2019).  1100-12052. 

aznan fazli ismail, irman abdul rahman, khoo kok siong, faizal mohamed, wan mohd razi idris, mohd idzat idris, syazwani mohd fadzil, nursyahidah mohd hidzir.  (2020).  penilaian impak radiologi ke atas kilang amang di perak.  - .  1-41. 

alkhaledi nahhar, khoo kok siong.  (2019).  study on natural rubber absorption of selected actinides.  - iop conference series: materials science and engineering.  1-7. 

nurrul assyikeen md. jaffary, kok siong khoo, nor hasimah mohamed, mohd abd wahab yusof, syazwani mohd fadzil.  (2019).  malaysian monazite and its processing residue: chemical composition and radioactivity.  - journal of radioanalytical and nuclear chemistry.  1097-1105. 

jeyleenny ranty janson, siti nur ain binti sulaiman, suhaimi bin kassim, nur syahirah binti muszakhir, faizal mohamed, syazwani mohd fadzil, khoo kok siong.  (2019).  a study on the atmospheric dispersion of radionuclide released from triga mark ii reactor using gaussian plume model.  - sains malaysiana.  2021-2028. 

mohd izwan abdul adziz & khoo kok siong.  (2018).  determination of gross alpha and gross beta in soil around repository facility at bukit kledang, perak, malaysia.  - the 2017 ukm fst postgraduate colloquium, aip conference proceedings.  . 

mohd idzat idris, khoo kok siong, syazwani mohd fadzil.  (2018).  measurement of 238u and 232th radionuclides in ilmenite and synthetic rutile.  - iop conference series: materials and engineering.  12010-12016. 

nur shahidah abdul rashid, zetty izzaty saleh, nurul syiffa mahzan, siti nur ain sulaiman, khoo kok siong, mohd. idzat idris, syazwani mohd fadzil.  (2018).  modified leaching of 238u and 232th from water leach purification (wlp) residue.  - malaysian journal of analytical sciences.  . 

syazwani binti mohd fadzil;khoo kok siong.  (2018).  leachability of thorium-232 from water leach purification (wlp) waste and modelling application.  - .  . 

nur shahidah abdul rashid, um wooyong, yasmin mohd idris perama, amran ab.majid, khoo kok siong.  (2018).  bioaccessibility assessment of th-232 and u-238 from lanthanide concentrate and water leach purification residue in malaysia.  - malaysian journal of analytical sciences.  . 

yasmin mohd idris perama, nur shahidah abdul rashid, syazwani mohd fadzil, khoo kok siong.  (2018).  absorption, distribution and elimination behaviours of cadmium treated by in vitro din from wlp residue using saam ii modeling.  - sains malaysiana.  . 

mohd izwan abdul adziz, nor amira amalina mohd badri & khoo kok siong.  (2018).  determination of uranium internal dose exposure through soil digestion using rdrc and urodc software.  - sains malaysiana.  . 

fitri hakeem m. salih, m. hafizad m. anis, shahidan radiman & khoo kok siong.  (2018).  study of two-neutron halo structure nucleus 19b and 22c via core deformation parameter at s- and p-states.  - the 2017 ukm fst postgraduate colloquium, aip conference proceedings.  . 

yasmin mohd idris perama & khoo kok siong.  (2018).  biokinetic modelling development and analysis of arsenic dissolution into the gastrointestinal tract using saam ii.  - the 2017 ukm fst postgraduate colloquium, aip conference proceedings.  . 

fitri hakeem m. salih, lee chun hao, shahidan radiman and khoo kok siong.  (2017).  nuclear structure study of two-neutron halo nucleus b-19 in microscopic cluster model.  - modern physics letters a.  1-11. 

fitri hakeem m. salih, shahidan radiman, and khoo kok siong.  (2017).  structure study of two-neutron halo nuclei, 22c using three-body model.  - advancing nuclear science and engineering for sustainable nuclear energy knowledge, aip conference proceeding.  1-8. 

yasmin mohd idris perama, nur shahidah abdul rashid, amran ab. majid, and khoo kok siong.  (2017).  internal dose assessment of 238u contaminated soils based on in-vitro gastrointestinal protocol.  - advancing nuclear science and engineering for sustainable nuclear energy knowledge, aip conference proceeding.  1-7. 

ku sarah syahidah ku muhamad, faizal mohamed, shahidan radiman, ainon hamzah, sukiman sarmani, khoo kok siong, muhammad samudi yasir, irman abdul rahman, nur ratasha alia md rosli.  (2016).  synthesis and characterization of exfoliated graphene oxide.  - the 2016 ukm fst postgraduate colloquium, aip conference proceeding.  1-5. 

nur shahidah abdul rashid, tengku mohammad yoshandi, sukiman sarmania amran ab. majid, faizal mohamed, khoo kok siong.  (2016).  the study of equivalent dose of uranium in long bean (v. u. sesquipedalis) and the effect on human.  - aip conference proceedings.  050013-1 - 050013-7. 

nur shahidah abdul rashid, shazana athirah yunus, amran ab.majid, khoo kok siong.  (2016).  estimation of worker`s exposure to thorium from lanthanide concentrate and water leach purification residue via ingestion.  - iosr journal of environmental science, toxicology and food technology.  72-77. 

takaharu fukuzaki, tsuneo futami, yoshiaki himeno, masayuki igashira, masaki saito, masahiro hamamoto, khoo kok siong, faizal mohamed and abdul aziz mohamed.  (2015).  nuclear human resource development in malaysia by tokyo tech and hitachi-ge in cooperation with ukm and uniten.  - inustec2015.  . 

khoo kok siong, sukiman bin sarmani, redzuwan bin yahaya, amran bin ab. majid, faizal bin k.p. kunchi mohamed.  (2015).  radiological modelling on in vitro digestion of 238u and 232th radionuclides from soil contaminants in syanthetic gastric and intestinal fluids.  - .  . 

a.yavar, s. b. sarmani, k. s. khoo.  (2015).  neutron characteristic and related k0 parameters in triga mark ii research reactor after core reconfiguration.  - iosr journal of applied physics.  50-55. 

nur shahidah abdul rashid, tengku mohammad yoshandi, sukiman sarmani, amran ab.majid, faizal mohamed, khoo kok siong.  (2015).  the study of equivalent dose of uranium in long bean (v. u. sesquipedalis) and the effect on human.  - international nuclear science, technology and engineering conference (inustec2015).  . 

s. b. sarmani, r. b. yahaya, m. s. yasir, a. ab. majid, k. s. khoo, i. a. rahman, f. mohamed.  (2015).  radiochemistry course in the undergraduate nuclear science program at universiti kebangsaan malaysia.  - journal of radioanalytical and nuclear chemistry.  1321-1325. 

nur shahidah abdul rashid, sukiman sarmani, amran ab. majid, faizal mohamed, and khoo kok siong.  (2015).  solubility of 238u radionuclide from various types of soil in synthetic gastrointestinal fluids using us in vitro digestion method.  - advancing of nuclear science and energy for national development.  050004-1-050004-7. 

che nor aniza binti che zainul bahri, khoo kok siong, amran ab. majid, norafatin binti khalid.  (2014).  penilaian risiko kanser dari sampel tanih di sekitar kawasan perindustrian gebeng, pahang dan sampel amang di perak.  - the malaysian journal of analytical sciences.  337 - 343. 

yavar a, idaya a, sarmani s, hamzah a, khoo ks.  (2014).  screening of rhizobacteria from scirpus mucronatus in pb and hg contaminated soil.  - journal of environmental & analytical toxicology.  216-219. 

amran bin ab. majid, muhamad samudi bin yasir, sukiman bin sarmani, khoo kok siong, redzuwan bin yahaya.  (2014).  ekstraksi radionuklid tabii dari sisa industri penghasilan unsur nadir bumi.  - .  . 

a. yavar, s. b. sarmani, a. hamzah, k. s. khoo.  (2014).  characterization of toxic elements on phytoremediation of scirpusmucronatus enriched with bacteria using icp-ms technique.  - journal of environmental science, toxicology and food technology.  16-24. 

syazwani mohd fadzil, pavel hrma, jarrod crum, khoo kok siong, mohammad fadzlee ngatiman & riduan mt said.  (2014).  the formation of crystals in glasses containing rare earth oxides.  - proceedings of the international nuclear science, technology & engineering conference 2013 (inustec2013), aip conference proceedings.  . 

alireza yavar, sukiman bin sarmani, ainon hamzah, jamal hisham hashim, syed mohamed aljunid, khoo kok siong.  (2014).  trace elements in the soil of phumi khleang village, kandal province, cambodia.  - journal of environment pollution and human health.  63-68. 

alireza yavar, sukiman sarmani, ainon hamzah, khoo kok siong.  (2014).  influence of bacteria on raising of plant nutrients absorption from soil.  - international journal of technical research and applications.  1-4. 

hoh siew sin, sukiman sarmani & khoo kok siong.  (2014).  radiological impact assessment of fukushima daiichi nuclear accident on malaysian marine biotas via ocean partway using erica code system.  - sains malaysiana.  1565-1571. 

nurshafiq ezam khairudin, khoo kok siong, wee boon siong.  (2014).  determination oftrace elements in epiphytic lichens from bandar baru bangi, selangor using inaa method.  - advancing nuclear research and energy development:proceedings of the international nuclear science, technology & engineering conference 2013 (inustec2013).  235-239. 

nur nazihah hassan, kok siong khoo.  (2014).  measurement of natural radioactivity and assessment of radiation hazard indices in soil samples at pengerang, kota tinggi, johor.  - advancing nuclear research and energy development:proceedings of the international nuclear science, technology & engineering conference 2013 (inustec2013).  190-195. 

chun yuan tan, kok siong khoo, shahidan radiman, irman abdul rahman & nur farhana bt amari.  (2014).  microscopic study of aot and ctab anionic-rich catanionic phase.  - sains malaysiana.  43(4)(2014): 623-628. 

a. yavar, s. sarmani, a. hamzah, k. s. khoo.  (2014).  effect of bacterium on phytoremediation of scirpus mucronatus planted in lead-contaminated soil.  - iosr journal of environmental science, toxicology and food technology.  8(3): 65-72. 

a. yavar, s. b. sarmani, k. s. khoo.  (2014).  the better efficiency calibration for hpge detector by comparing the single point gamma sources and multi-nuclides gamma source for k0-naa method.  - iosr journal of applied physics.  54-56. 

siew sin hoh, nurul nadiah rapie, edwin suh wen lim, chun yuan tan, alireza yavar, sukiman sarmani, amran ab. majid and kok siong khoo.  (2013).  a development and integration of database code-system with a compilation of comparator, k0 and absolute methods for inaa using microsoft access.  - aip conference proceedings (2012 national physics conference).  . 

chun yuan tan, kok siong khoo, shahidan radiman, irman abdul rahman, nur farhana bt amari.  (2013).  microscopic and transition investigation on the effect of cholesterol in aot solution.  - journal of molecular liquids.  178:156-159. 

a. hamzah, k.k. wong, f.n. hasan, s. mustafa, k.s. khoo, s.b. sarmani.  (2013).  determination of total arsenic in soil and arsenic-resistant bacteria from selected ground water in kandal province, cambodia.  - journal of radioanalytical and nuclear chemistry.  297(2):291-296. 

khoo kok siong, nur farhana amari, tan chun yuan, shahidan radiman, redzuwan yahaya & muhamad samudi yasir.  (2013).  preparation, characterization and properties of core-shell cobalt ferrite/polycaprolactone nanomagnetic biomaterials.  - sains malaysiana.  42(2):167-173. 

s. mohd fadzil, s. sarmani, a. ab. majid, a. hamzah, k. s. khoo.  (2013).  modeling of cumulative release on long term leaching behaviour of selected oil sludge from crude oil terminal and petroleum refining plant.  - journal of radioanalytical and nuclear chemistry.  297:265-270. 

khoo kok siong, sukiman sarmani, shahidan radiman, redzuwan yahaya, dan nur farhana amari.  (2012).  penambahbaikan pengajaran dan pembelajaran kursus prasiswazah program sains nuklear (bidang fizik) dengan perisian simulasi sumber terbuka.  - kongres pengajaran dan pembelajaran ukm 2012.  . 

redzuwan yahaya,muhamad samudi yasir, amran ab. majid, ismail bahari, sukiman sarmani, muhamad othman, shahidan radiman, irman abd. rahman, faizal mohamed, khoo kok siong & aznan fazli ismail.  (2012).  alignment of the ukm undergraduate nuclear science programme to malaysia national nuclear policy.  - procedia social and behavioral sciences - ukm teaching and learning congress 2011.  . 

a.r. yavar, h. khalafi, y. kasesaz, s. sarmani, r. yahaya, a.k. wood, k.s. khoo.  (2012).  verification of mcnp simulation of neutron flux parameters at triga mk ii reactor of malaysia.  - applied radiation and isotopes.  70:2488-2493. 

mohd idzat idris, khoo kok siong.  (2012).  determination of norms (238u, 232th) in ilmenite, synthetic rutile and dose rates at tor minerals, ipoh.  - nuclear science, technology &engineering conference 2012.  . 

che nor aniza che zainul bahri, khoo kok siong and raymond yapp tze loong.  (2012).  study of specific activities of norms in soil and excess lifetime cancer risk assessment outside the lynas sdn. bhd. gebeng, pahang.  - nuclear science, technology & engineering conference 2012.  . 

a. r.yavar, s. sarmani, c. y. tan, n. n. rafie, s.w. edwin lim, k. s. khoo.  (2012).  an elemental concentration open source database for hogdahl-convention and westcott-formalism based on k0-inaa method in malaysia.  - journal of nuclear and related technologies.  9(2):93-98. 

raymond yapp tze loong, che nor aniza che zainul bahri and khoo kok siong.  (2012).  quantification of uncertainties to determine the thorium activity concentration in soil sample by gamma spectrometry.  - nuclear science, technology & engineering conference 2012.  . 

hoh siew sin, nurul nadiah rapie, edwin lim suh wen, tan chun yuan, alireza yavar, sukiman sarmani, amran ab. majid, khoo kok siong.  (2012).  a development and integration of database code-system with a compilation of comparator, k0 and absolute methods for inaa using microsoft access.  - national physics conference 2012 (perfik 2012).  . 

alireza yavar, sukiman sarmani, abdul khalik wood, nurul syakireen zainal, kok siong khoo.  (2012).  development and implementation of hogdahl convention and westcott formalism for k0-inaa application at malaysian nuclear agency reactor.  - journal of radioanalytical and nuclear chemistry.  291:521-527. 

alireza yavar, sukiman sarmani, abdul khalik wood, khoo kok siong.  (2012).  study of non-1/v reaction nuclides using k0-neutron activation analysis at the malaysian nuclear agency research reactor.  - sains malaysiana.  41(2):233-236. 

s. m. fadzil, s. sarmani, a. a. majid, a. hamzah, k. s. khoo.  (2012).  modeling of cumulative release on long-term leaching behaviour of selected oil sludge from crude oil terminal and petroleum refining plant.  - the tenth international conference on nuclear analytical methods in the life sciences (namls10).  . 

a. r.yavar, s. sarmani, c. y. tan, n. n. rafie, s.w. edwin lim, k. s. khoo.  (2011).  an elemental concentration open source database for høgdahl-convention and westcott-formalism based on k0-inaa method in malaysia.  - nuclear science, technology and engineering conference (nustec2011).  . 

a.r.yavar, s. b. sarmani, h. khalafi, a. k. wood, k. s. khoo.  (2011).  overview of inaa method and its application in malaysia.  - nuclear science, technology and engineering conference (nustec2011).  . 

khoo kok siong, sukiman sarmani, shahidan radiman, ismail bahari, redzuwan yahaya, aznan fazli ismail, syazwani mohd fadzil.  (2011).  pengajaran dan pembelajaran kursus prasiswazah sains nuklear menggunakan perisian simulasi sumber terbuka.  - kongres pengajaran & pembelajaran ukm 2011.  . 

a.r. yavar, s.b. sarmani, h. khalafi, a.k. wood, k.s. khoo.  (2011).  overview of inaa method and its application in malaysia.  - journal of nuclear and related technologies.  8(2):26-40. 

a.r. yavar, s. sarmani, a.k. wood, s.m. fadzil, z. masood, k.s. khoo.  (2011).  neutron flux parameters for k0-naa method at the malaysian nuclear agency research reactor after core reconfiguration.  - radiation measurements.  46 (2): 219-223. 

yavar, a.r., sarmani, s.b., wood, a.k., fadzil, s.m., radir, m.h., khoo, k.s..  (2011).  determination of fast neutron flux distribution in irradiation sites of the malaysian nuclear agency research reactor.  - applied radiation and isotopes.  69(5):762-767. 

a. r.yavar, s. sarmani, k. s. khoo.  (2011).  comparison of peak detection efficiency by point sources and multinuclides source.  - nuclear science, technology and engineering conference (nustec2011).  . 

syazwani mohd fadzil, sukiman sarmani, amran ab. majid, kok siong khoo, ainon hamzah.  (2011).  k0-inaa measurement of levels of toxic elements in oil sludge and their leachability.  - journal of radioanalytical and nuclear chemistry.  287(1):41-47. 

nur farhana amari, khoo kok siong, shahidan radiman.  (2010).  preparation and characterisation of core shell nanomaterial cobalt ferrite/polycaprolactone (cofe2o4/pcl).  - international conference on the advancement of materials & nanotechnology ii 2010.  . 

siti amira othman, shahidan radiman and khoo kok siong.  (2010).  role of enzyme in polypyrrole conductivity.  - kolokium siswazah ke-10 : penyelidikan siswazah: meneroka perbatasan ilmu.  . 

siti amira othman, shahidan radiman and khoo kok siong.  (2010).  a hydrogen peroxide biosensor based on nanoparticle pani/hrp electrode.  - international conference on the advancement of materials & nanotechnology ii 2010.  . 

siti amira othman, shahidan radiman and khoo kok siong.  (2010).  methanol as a suitable solvent for polyaniline emeraldine base (pani-eb).  - american institute of physics conference proceedings - perfik2009.  . 

c.y. tan, k.s. khoo, s. radiman, i. a. rahman.  (2010).  characterisation on vesicles of anionic surfactant, aerosol-ot with the addition of cholesterol.  - international conference on the advancement of materials & nanotechnology ii 2010.  . 

siti amira othman, shahidan radiman, khoo kok siong and irman a. rahman.  (2010).  immobilization of horseradish peroxidase onto polyaniline nanoparticle monolayer.  - world applied sciences journal.  9:23-25. 

a.r.yavar, s. b. sarmani, a. k. wood, s. m. fadzil, k. s. khoo.  (2010).  ascertainment of the westcott parameters in the mna research reactor.  - national conference on physics 2010.  . 

syazwani mohd fadzil, khoo kok siong, amran ab. majid, sukiman sarmani, lee lin jian.  (2009).  analysis of as, cr and hg in crude oil sludge by using instrumental neutron activation analysis (inaa).  - international nuclear conference 2009.  . 

siti amira othman, shahidan radiman, khoo kok siong, irman a.rahman.  (2009).  immobilization of horseradish peroxidase onto plyaniline nanoparticle monolayer.  - nanotech malaysia 2009.  . 

siti amira othman, shahidan radiman and khoo kok siong.  (2009).  formation of polyaniline emeraldine base (pani-eb) nano- particles using langmuir-blodgett technique.  - international conference on nanotechnology 2009.  . 

siti amira othman, shahidan radiman, irman a.rahman, khoo kok siong and md soot hj ahmad.  (2009).  effect of ph on formation of polyaniline monolayer.  - malaysian journal of chemistry.  11(1): 26-29. 

a. hamzah, w.n.w.m. arifin, k.s. khoo, l.j. lee, s.b. sarmani.  (2009).  screening of biosorption bacteria tolerance towards copper and cadmium from oil sludge pond.  - journal of radioanalytical and nuclear chemistry.  281(2):295-298. 

syazwani mohd fadzil, muhamad samudi yasir, sukiman sarmani, amran ab. majid, khoo kok siong.  (2009).  the determination of natural radionuclides in phosphogypsum and spiked water for iaea proficiency test.  - 10th asian conference on analytical sciences.  . 

shamsudin, sa; radiman, s; ghamsari, ms; siong, kk.  (2009).  synthesis cds nanocrystals in various ph values.  - nanoscience and nanotechnology.  . 

k.s. khoo, a. koster-ammerlaan, p. bode, s. b. sarmani, a. b.majid, m.s. yasir & r.yahaya.  (2008).  assessment of crude oil sludge fly ash in an incineration plant by ko-inaa.  - seventh international conference on nuclear and radiochemistry.  . 

khoo kok siong, sukiman sarmani, amran abdul majid & ti kien leong.  (2008).  assesment of neutron flux gradients in irradiation channels at the triga reactor by au-cr-mo monitor set based on k0-inaa.  - sains malaysiana.  37(4):401-404. 

khoo kok siong, sukiman sarmani, amran abdul majid & ti kien leong.  (2008).  assessment of neutron flux gradients in irradiation channels at the triga reactor by au-cr-mo monitor set based on k0-inaa.  - sains malaysiana.  37(4):401-404. 

k. s. khoo, s. b. sarmani, c. h. tan and k. l. ti,.  (2007).  variation of neutron parameters and neutron flux in an irradiadion container at selected irradiation channels by using two neutron flux monitoring sets based on k0-naa method.  - 12th internatinal conference on modern trends in activation analysis.  . 

k. s. khoo, s. b. sarmani, i. o. abugassa.  (2007).  determination of thermal to epithermal neutron flux ratio (f), epithermal neutron flux shape factor and comparator factor (f) in the triga mark ii reactor, malaysia.  - journal of radioanalytical nuclear chemistry.  271(2):419-424. 

khoo kok siong, sukiman sarmani & lim ai ling.  (2007).  characterisation of the leaching behaviour of coal fly ash with the tank leaching test method.  - sains malaysiana.  36(1):45-53.