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. 

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. 

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. 

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

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.  - .  . 

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. 

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

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.  . 

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).  . 

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.  - .  . 

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.  - .  . 

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).  . 

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.  . 

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.  . 

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).  . 

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.  . 

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.  . 

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).  . 

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. 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).  . 

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.  . 

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.  . 

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.  . 

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.  . 

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.  . 

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.  . 

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.  . 

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.  . 

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.  . 

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.  .