abdalla osman, haitham abdulmohsin afan, mohammed falah allawi, othman jaafar, aboelmagd noureldina, firdaus mohamad hamzah, ali najah ahmed, ahmed el-shafief.  (2020).  adaptive fast orthogonal search (fos) algorithm for forecasting streamflow.  - journal of hydrology.  1-17. 

farahani mohd saimi, firdaus mohamad hamzah, mohd ekhwan toriman, othman jaafar, hazrina tajudin.  (2020).  trend and linearity analysis of meteorological parameters in peninsular malaysia.  - sustainability.  1-19. 

mohammed falah allawi, othman jaafar, firdaus mohamad hamzah, suhana binti koting, nuruol syuhadaa binti mohd, ahmed el-shafie.  (2019).  forecasting hydrological parameters for reservoir system utilizing artificial intelligent models and exploring their influence on operation performance.  - knowledge-based systems.  . 

mohammed falah allawi, othman jaafar, firdaus mohamad hamzah, ahmed el-shafie.  (2019).  novel reservoir system simulation procedure for gap minimization between water supply and demand.  - journal of cleaner production.  . 

mohammed falah allawi & othman jaafar & firdaus mohamad hamzah, nuruol syuhadaa mohd & ravinesh c. deo & ahmed el-shafie.  (2018).  reservoir inflow forecasting with a modified coactive neuro-fuzzy inference system a case study for a semi-arid region.  - theoretical applied climatology.  545-563. 

aina izzati muhammad rashid, rosiah rohani, othman jaafar, nur shazwani muhammad.  (2021).  chlorine decay and formation of thm in malaysia water distribution system.  - environment protection engineering.  19-41. 

firdaus mohamad hamzah, hazrina tajudin, othman jaafar.  (2021).  a comparative flood frequency analysis of high-flow between annual maximum and partial duration series at sungai langat basin.  - sains malaysiana.  1843-1856. 

siti hawa mohd yusoff, firdaus mohamad hamzah, othman jaafar & hazrina tajudin.  (2021).  long term trend analysis of upstream and middle-stream river in langat basin, selangor, malaysia.  - sains malaysiana.  629-644. 

firdaus mohamad hamzah, siti hawa mohd yusoff & othman jaafar.  (2019).  l-moment-based frequency analysis of high-flow at sungai langat, malaysia.  - sains malaysiana.  1357-1366. 

mohammed falah allawi, othman jaafar, firdaus mohamad hamzah, mohammad ehteram, md. shabbir hossain, ahmed el shafie.  (2018).  operating a reservoir system based on the shark machine learning algorithm.  - environmental earth sciences.  1-14. 

siti hawa mohd yusoff, firdaus mohamad hamzah, othman jaafar.  (2022).  multiparameter probability distributions of at-site lmoment- based frequency analysis in malaysia.  - international journal of mechanical engineering.  1-11. 

siti hawa mohd yusoff, firdaus mohamad hamzah, othman jaafar & hazrina tajudin.  (2021).  long term trend analysis of upstream and middle-stream river in langat basin, selangor, malaysia.  - sains malaysiana.  629-644. 

aina izzati muhammad rashid, rosiah rohani, othman jaafar, nur shazwani muhammad.  (2021).  chlorine decay and formation of thm in malaysia water distribution system.  - environment protection engineering.  19-41. 

firdaus mohamad hamzah, hazrina tajudin, othman jaafar.  (2021).  a comparative flood frequency analysis of high-flow between annual maximum and partial duration series at sungai langat basin.  - sains malaysiana.  1843-1856. 

jamal ali kawan, fatihah suja, hassimi abu hasan, othman jaafar and rakmi abd rahman.  (2020).  development of malaysian wastewater polishing index: case study on a moving bed biofilm reactor.  - journal of ecological engineering.  1-8. 

muhammad aqiff abdul wahid, khairul nizam abdul maulud, muhammad amartur rahman, mohd aizat saiful bahri, and othman jaafar.  (2018).  integrated infrastructure management using web-gis application.  - proceedings of the pakistan academy of sciences: a. physical and computational sciences.  35-44. 

muhammad aqiff abdul wahid, khairul nizam abdul maulud, muhammad amartur rahman, mohd aizat saiful bahri, and othman jaafar.  (2018).  integrated infrastructure management using web-gis application.  - proceedings of the pakistan academy of sciences: a. physical and computational sciences.  35-44. 

norsyafina roslan & othman jaafar.  (2017).  how detailed geological observation during drilling helps to understand the aquifer behavior.  - 30th national geoscience conference & exhibition.  . 

abdul aziz ab rahman, khairul nizam abdul maulud, fazly amri mohd, othman jaafar and khairul nizam tahar.  (2017).  volumetric calculation using low cost unmanned aerial vehicle (uav) approach.  - iop conference proceedings series: materials science and engineering.  1-7. 

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. 

khairul nizam abdul maulud, fazly amri mohd, wan hanna melini wan mohtar, othman jaafar & yannie anak benson.  (2018).  impact of sea level rise on the coastal ecosystem.  - .  173-184. 

almahdi alshareef, azuraliza abu bakar, abdul razak hamdan, sharifah mastura syed abdullah & othman jaafar.  (2016).  sequential pattern discovery for weather prediction problem.  - studies in computational intelligence.  223-240. 

j. hamzah, a. habibah, a. buang, s. a. sharifah mastura, i. mushrifah, j. othman, a. c. er, m. j. mohd. fuad, m. e. toriman, m. mahmud, n. lyndon, s. sivapalan.  (2015).  local community inclusion in the malaysian shoreline tourism setting.  - .  Bab 8 ; 181 - 200. 

sharifah mastura, s. a & othman j..  (2009).  theories and application of erosion control.  - .  43-53. 

norsyafina binti roslan;nik hairi bin omar;othman bin jaafar;mohd suzeren bin md jamil;muhammad rahimi bin yusop;lee jing;aznan fazli bin ismail;nor shahidah binti mohd nazer.  (2019).  groundwater as an alternative water sources in ukm: addressing the issues before, during and after.  - .  . 

othman jaafar, rosniza ramli, ahmad abas kutty, zaki zainuddin & zaini sakawi.  (2017).  the proposed upgrading works for kuala sawah regional sewage treatment plants (sen330), seremban, negeri sembilan.  - .  . 

othman jaafar, md pauzi ahmad, khairul nizam abd maulud, firdaus hamzah, rozaimi, zaidi che cob, wan juliana, zaini sakawi, rosniza aznie, yusof, lam kuok choy, syarina, azizah, norhayati ahmad, wan lotfi,khirunnisa mazelan,.  (2017).  program data alam sekitar di sepanjang selat johor dan sekitar batuan tengah dan tubir selatan (interim 3).  - pintar - ukm sustainabili.  . 

nur akmal abdullah goh, mohd. marzuki mustapha, abd. wahab mohammad, othman jaafar, siti fatin mohd razali, azrul a. mutalib, wan aizon wan ghopa, zambri harun [and (seven) others].  (2016).  laporan akhir rintis program inisiatif libat sama (pilbs).  - .  87. 

nur akmal abdullah goh, mohd. marzuki mustapha, abd. wahab mohammad, othman jaafar, siti fatin mohd razali, azrul a. mutalib, wan aizon wan ghopa, zambri harun, shahrizan bin baharom, norliza abd. rah.  (2016).  manual pengurusan projek kementerian pendidikan malaysia program inisiatif libat sama (pils).  - .  49. 

rosiah binti rohani;siti rozaimah bt. sheikh abdullah;othman bin jaafar;nur shazwani binti muhammad.  (2023).  tingkahlaku fluorida di dalam air minuman terawat dari loji rawatan air.  - .  . 

marlia binti mohd hanafiah;mohd. ekhwan bin toriman;azhar bin abdul halim;othman bin jaafar.  (2021).  establishing water efficiency toolkit using water footprint as a key indicator to assess performance of water utilities: inculcating the concept of kampus lestari, ukm.  - .  . 

mohd aizat bin saiful bahri;othman bin jaafar;khairul nizam abdul maulud;adi irfan bin che ani;aslinda oon binti ridzuan oon;muhammad syahidi bin hasbullah;mohd za`im bin aziz;muhammad amartur rahman bin zainal abidin.  (2020).  pembangunan pangkalan data gis untuk pegurusan fasiliti: aset dan ruang bangunan ukm.  - .  . 

firdaus bin mohamad hamzah;sharifah mastura bt. syed abdullah;othman bin jaafar.  (2020).  an integrated statistical data-driven analysis for flood frequency, discharge and water stage..  - .  . 

muhammad amartur rahman bin zainal abidin;othman bin jaafar;khairul nizam abdul maulud;suriani binti shuhatdi;aslinda oon binti ridzuan oon;mohd firdaus bin shaharudin;mohamad shahril bin hussain;aniq rukaini bin mohd azmi;mohd aizat bin saiful bahri.  (2020).  sistem gis untuk pengurusan penyelanggaran infrastruktur: sistem perpaipan dan sistem bekalan elektrik di ukm bangi.  - .  .