shahrom md zain, wan hamidon wan badaruzzaman, riza atiq o.k rahmat, othman jaafar, noor ezlin ahmad basri & hassan basri.  (2012).  learning outcome measurement for environmental and sustainable development component in the field of civil engineering.  - procedia social and behavioral science.  . 

siti aminah osman, othman jaafar, wan hamidon wan badaruzzaman, riza atiq abdullah o.k. rahmat.  (2012).  the course outcomes (cos) evaluation for civil engineering design ii course.  - procedia social and behavioral sciences elsevier - ukm teaching and learning congress 2011.  103-111. 

siti aminah osman, syaidahtul isnain naam, othman jaafar, wan hamidon wan badaruzzaman & riza atiq o.k. rahmat.  (2012).  application of rasch model in measuring students performance in civil engineering design ii course.  - procedia social behavioral sciences - international conference on teaching and learning in higher education (ictlhe 2012) in conjunction with rcee & rhed 2012.  . 

almahdi ahmed, azuraliza abu bakar, abdul razak hamdan, sharifah mastura syed abdullah & othman jaafar.  (2012).  discovering frequent serial episodes in symbolic sequences for rainfall dataset.  - 2012 4th conference on data mining and optimization, dmo 2012;langkawi.  . 

abdelwahab m. bubtiena, ahmed h. el-shafie and othman jafaar.  (2011).  review on statistical based methods of measuring the water pipes reliability.  - advanced materials research (international conference on frontiers of manufacturing science and measuring technology icfmm 2011).  . 

s. a. osman, w. h. w. badaruzzaman, r. hamid, k. taib, a. r. khalim, n. hamzah & o. jaafar.  (2011).  assessment on students performance using rasch model in reinforced concrete design course examination.  - recent researches in education: proceedings of the 10th wseas international conference on education and educational technology (edu` 11).  193-198. 

noraini hamzah, muhamad azry khoiry, siti aminah osman, roszilah hamid, othman jaafar & ishak arshad.  (2011).  poor student performance in project management course: was the exam wrongly set?.  - proceedings of the 10th wseas international conference on education and educational technology (edu `11).  . 

bubtiena a.m., elshafie a.h., jafaar o..  (2011).  application of artificial neural networks in modeling water networks.  - 2011 ieee 7th international colloquium on signal processing and its applications, cspa 2011; penang; 4 march 2011 through 6 march 2011.  . 

roszilah hamid, eliyana othman, siti aminah osman, noraini hamzah, othman jaafar and ahmad afiq abu kasim.  (2011).  determination of materials technology course final examination questions construct validity through rasch model approach.  - proceedings of the 10th wseas international conference on education and educational technology (edu `11), wseas press.  . 

basri n.e.a., taib k.a., jaafar o., md zain s., suja f., kasa a., osman s.a., shanmugam n.e..  (2011).  an evaluation of programme educational objectives and programme outcomes for civil engineering programmes.  - kongres pengajaran dan pembelajaran ukm, 2010; tanjung keling, melaka.  .