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).  assessment of pofa -cementitious material as backfill barrier in dsrs borehole disposal: 226ra confinement.  - journal of environmental management.  1-10. 

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. 

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. 

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. 

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.  . 

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, 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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 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. 

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.