farah diyana ariffin, azhar abdul halim, marlia mohd hanafiah, normah awang, mohd sham othman, azman, s. a. a., bakri, n. s. m.  (2019).  the effects of african catfish, clarias gariepinus pond farms effluent on water quality of kesang river in malacca, malaysia.  - applied ecology and environmental research.  1531-1545. 

othman mso, abdullah mr & abdul hamid mfa.  (2017).  low level cadmium exposure causes pectoral fin and cranial fluctuating assymetry in oreochromis mossambicus x o. niloticus.  - medical journal of malaysia.  46. 

jirarach kitana, orasa achayapunwanich, panupong thammachotti, mohd sham othman, wichase khonsue, noppadon kitana.  (2015).  cadmium contamination and health assessment in frog microhyla fissipes living downstream of zinc mining area in thailand.  - environmentasia.  16-23. 

golgis karimi, suzana shahar, nasim homayouni, roslee rajikan, nor faizah abu bakar, mohd sham othman..  (2012).  association between trace element and heavy metal levels in hair and nail with prostate cancer.  - asian pacific journal of cancer prevention.  13(9):4249-4253. 

a.r. ghazali, n.e. abdul razak, m.s. othman, h. othman, i. ishak, s.h. lubis, n. mohammad, z. abd hamid, z. harun, f. kamarulzaman & r. abdullah.  (2012).  study of heavy metal levels among farmers of muda agricultural development authority, malaysia.  - journal of environmental and public health.  2012 , art. no. 758349. 

mohd sham othman, wichase khonsue, jirarach kitana, kumthorn thirakhupt, mark robson, marija borjan, noppadon kitana.  (2012).  hepatic metallothionein and glutathione-s-transferase responses in two populations of rice frogs, fejervarya limnocharis, naturally exposed to different environmental cadmium level.  - bulletin of environmental contamination and toxicology.  89:225-228. 

azhar abdul halim, eliani ezani, mohd. sham othman, normah awang, m. ikram, a. ithnin.  (2011).  adsorption study of aluminium onto curcuma longa.  - australian journal of basic and applied sciences.  5(5):1170-1177. 

mohd sham othman, wichase khonsue, jirarach kitana, kumthorn thirakhupt, mark gregory robson and noppadon kitana.  (2011).  reproductive mode of fejervarya limnocharis (anura: ranidae) caught from mae sot, thailand based on its gonadosomatic indices.  - asian herpetological research.  2(1):41-45. 

azhar abdul halim, noor nazurah zainal abidin, normah awang, anuar ithnin, mohd. sham othman, mohd. ikram wahab.  (2011).  ammonia and cod removal from synthetic leachate using rice husk composite adsorbent.  - journal of urban and environmental engineering (juee).  5(1):24-31. 

normah awang, ibrahim baba, bohari m. yamin, mohd. sham othman and nurul farahana kamaludin.  (2011).  synthesis, characterization and biological activities of organotin (iv) methylcyclohexyldithiocarbamate compounds.  - american journal of applied sciences.  8(4):310-317. 

normah awang, ibrahim baba, bohari m yamin, mohd sham othman and azhar abdul halim.  (2011).  synthesis, characterization and crystal structure of triphenyltin (iv) n-alkyl-n-cyclohexyldithiocarbamate compounds.  - world applied sciences journal.  12(5):630-635. 

mohd sham othman, wichase khonsue, jirarach kitana, kumthorn thirakupt, mark gregory robson, noppadon kitana.  (2009).  cadmium accumulation in two populations of rice frog (fejervarya limnocharis) naturally exposed to different environmental cadmium levels.  - bulletin of environmental contamination and toxicology.  83(5):703-707.