samera samsuddin sah, khairul nizam abdul maulud, othman a. karim, suraya sharil.  (2021).  water salinity variability mapping for flooded paddy plots at kuala kedah, malaysia.  - geografia-malaysian journal of society and space.  240-255. 

hamizah ahmad, khairul nizam abdul maulud, othman a. karim, fazly amri mohd.  (2021).  assessment of erosion and hazard in the coastal areas of selangor.  - geografia-malaysian journal of society and space.  14-31. 

samera samsuddin sah, khairul nizam abdul maulud, suraya sharil, othman a. karim, nur fadzlina abdul nahar.  (2021).  impact of saltwater intrusion on paddy growth in kuala kedah, malaysia.  - journal of sustainability science and management.  15-30. 

shaban r. s. aldhshan, khairul nizam abdul maulud, wan shafrina wan mohd jaafar, othman a. karim and biswajeet pradhan.  (2021).  energy consumption and spatial assessment of renewable energy penetration and building energy efficiency in malaysia: a review.  - sustainability.  1-26. 

maya liyana hamzah, ahmad aldrie amir, khairul nizam abdul maulud, sahadev sharma, fazly amri mohd, siti norsakinah selamat, othman a. karim, effi helmy ariffin, rawshan ara begum.  (2020).  assessment of the mangrove forest changes along the pahang coast using remote sensing and gis technology.  - journal of sustainability science and management.  43-58. 

fazly amri mohd, khairul nizam abdul maulud, othman a. karim, rawshan ara begum, nor aslinda awang, anizawati ahmad, wan ahmad hafiz wan mohamed azhary, mohd khairul amri kamarudin, mokhtar jaafar, wan hanna melini wan mohtar.  (2019).  comprehensive coastal vulnerability assessment and adaptation for cherating-pekan coast, pahang, malaysia.  - ocean & coastal management.  1-16. 

fazly amri mohd, khairul nizam abdul maulud, rawshan ara begum, othman a. karim, md firoz khan, siti norsakinah selamat, abdul aziz ab rahman, m aizat saiful bahri, sharifah mastura syed abdullah, m khairul amri kamarudin, m barzani gasim, hafizan juahir.  (2018).  variation of beach profile along pahang coast in malaysia.  - international journal of engineering & technology.  . 

fazly amri mohd, khairul nizam abdul maulud, othman a. karim, rawshan ara begum, md firoz khan, wan shafrina wan mohd jaafar, sharifah mastura syed abdullah, mohd ekhwan toriman, mohd khairul amri kamarudin, muhammad barzani gasim, noorjima abdul wahab.  (2018).  an assessment of coastal vulnerability of pahang's coast due to sea level rise.  - international journal of engineering & technology (uae).  . 

fazly amri mohd, khairul nizam abdul maulud, rawshan ara begum, siti norsakinah selamat & othman a. karim.  (2018).  impact of shoreline changes to pahang coastal area by using geospatial technology.  - sains malaysiana.  . 

safari mat desa, othman a.karim, wan hanna melini, azuhan mohamed, fauzi mohamad, icahri chatta.  (2016).  wave energy dissipation laboratory modelling of submerged breakwater for shoreline erosion control.  - the defence s&t technical bulletin.  68-74. 

nurul afina abd mutalib, othman karim, ahmad dasuki mustafa.  (2015).  the water quality study and sources of pollution in alur ilmu, ukm.  - malaysian journal of analytical sciences.  1137-1146. 

mohammad dorofki, ahmed h. elshafie, othman jaafar, othman a. karim, sharifah mastura syed abdullah.  (2014).  a gis-ann-based approach for enhancing the effect of slope in the modified green-ampt model.  - water resource management.  28(2):391-406. 

el-shafie, a., najah, a., karim, o.a..  (2014).  amplified wavelet-anfis-based model for gps/ins integration to enhance vehicular navigation system.  - neural computing and applications.  1905-1916. 

a. najah, a. el-shafie, o. a. karim, amr h. el-shafie.  (2014).  performance of anfis versus mlp-nn dissolved oxygen prediction models in water quality monitoring.  - environmental science and pollution research.  21:1658-1670. 

k. n. abdul maulud, w. h. m. wan mohtar, o. a. karim.  (2013).  spatial multi criteria analysis for the determination of areas with high potential wave energy.  - jurnal teknologi (sciences & engineering).  113-120. 

afiq hipni, ahmed el-shafie, ali najah, othman abdul karim, aini hussain, muhammad mukhlisin.  (2013).  daily forecasting of dam water levels: comparing a support vector machine (svm) model with adaptive neuro fuzzy inference system (anfis).  - water resources management.  27(10):3803-3823. 

a. najah, a. el-shafie, o. a. karim, amr h. el-shafie.  (2013).  application of artificial neural networks for water quality prediction.  - neural computing and applications.  22(Supp. 1):S187-S201. 

faez hassan, h., el-shafie, a., karim, o.a..  (2012).  tidal current turbines glance at the past and look into future prospects in malaysia.  - renewable and sustainable energy reviews.  16 (8):5707-5717. 

najah ahmed a., el-shafie a., karim o.a., el-shafie a..  (2012).  an augmented wavelet de-noising technique with neuro-fuzzy inference system for water quality prediction.  - international journal of innovative computing, information and control.  8(10B):7055-7082. 

ali a. najah, a. el-shafie, o. a. karim and o. jaafar.  (2012).  water quality prediction model utilizing integrated wavelet-anfis model with cross-validation.  - neural computing & applications.  21(5): 833-841. 

m.e. toriman, muhamad barzani gasim, zulkifli yusop, ismail shahid, s.a. sharifah mastura, pauzi abdullah, mokhtar jaafar, nor azlina abdul aziz, m.k.a. kamarudin, othman jaafar, othman karim, hafizan.  (2012).  use of 137cs activity to investigate sediment movement and transport modeling in river coastal environment.  - american journal of environmental science.  8(4):417-423. 

eisakhani, m., pauzi, a., karim, o. and malakahmad, a..  (2012).  conceptual approaches to improving water quality of rivers in cameron highlands, malaysia.  - journal of sustainability and management.  7(2):213-219. 

muhammad sulaiman, ahmed el-shafie, othman karim, hassan basri.  (2011).  improved water level forecasting performance by using optimal steepness coefficients in an artificial neural network.  - water resources management.  25(10):2525-2541. 

a. najah, a. el-shafie, o. a. karim, and o. jaafar.  (2011).  integrated versus isolated scenario for prediction dissolved oxygen at progression of water quality monitoring stations.  - hydrology and earth system sciences.  15(8):2693-2708,. 

a. najah, a. el-shafie, o. a. karim, o. jaafar and amr h. el-shafie.  (2011).  an application of different artificial intelligences techniques for water quality prediction.  - international journal of the physical sciences.  6(22):5298-5308. 

m. sulaiman, a. el-shafie, o. karim, and h. basri.  (2011).  real-time flood forecasting by employing artificial neural network based model with zoning matching approach.  - hydrology and earth system sciences discussions.  8(5):9357-9393. 

deprizon syamsunur, amiruddin ismail, riza atiq and othman a. karim.  (2011).  knowledge-based expert system for route selection of road alignment.  - australian journal of basic and applied sciences.  5(5):208-213. 

mohammad dorofki, ahmed h. elshafie, othman jaafar, othman a. karim and sharifah mastura syed abdullah.  (2011).  a gis-based survey for the optimization of infiltration forecasting models with emphasis on slope effect and land use.  - international journal of the physical sciences.  6(24):5738-5751. 

m.e. toriman, a.c. er, mazlin mokthar, rahmah elfithri, muhammad barzani gasim, othman karim, mokhtar jaafar, nor azlina abdul aziz and nor rohaizah jamil.  (2011).  river regulation and its impact on river channel platform changes.  - journal of engineering and applied sciences.  6(6):423-427. 

algreane, g.a.i., osman, s.a., karim, o.a., kasa, a..  (2011).  study the fluid structure interaction due to dynamic response of elevated concrete water tank.  - australian journal of basic and applied sciences.  1084-1087. 

algreane, g.a.i., osman, s.a., karim, o.a., kasa, a..  (2011).  behavior of elevated concrete water tank subjected to artificial ground motion.  - electronic journal of geotechnical engineering.  16D:387-406. 

mohd ekhwan toriman, md. pauzi abdullah, mazlin bin mokhtar, muhamad barzani gasim, othman karim.  (2010).  surface erosion and sediment yields assessment from small ungauged catchment of sungai anak bangi, selangor.  - malaysian journal of analytical sciences.  14(1):12-23. 

yusri, othman a. karim, khairul nizam abdul maulud & mohd ekhwan toriman.  (2010).  kajian kualitatif perubahan guna tanah kawasan bandar pekanbaru dengan menggunakan sistem maklumat geografi (gis).  - sains malaysiana.  39(5):705-709. 

ali najah, ahmed elshafie, othman a. karim, othman jaffar.  (2009).  prediction of johor river water quality parameters using artificial neural networks.  - european journal of scientific research.  28(3):422-435. 

ahmed, a.n., elshafie, a., karim, o., jaffar, o..  (2009).  evaluation the efficiency of radial basis function neural network for prediction of water quality parameters.  - engineering intelligent systems for electrical engineering and communications.  17(4):221-231. 

md darus z., hashim n.a., abdul manan s.n., abdul rahman m.a., abdul maulud k.n., abdul karim o..  (2009).  the development of hybrid integrated renewable energy system (wind and solar) for sustainable living at perhentian island, malaysia.  - european journal of social sciences.  9(4):557-563. 

mohd ekhwan toriman, mazlin bin mokhtar, othman karim, m. barzani gasim & raihan taha..  (2009).  short-term sediment yields from small catchment of sungai anak bangi, selangor..  - geological society of malaysia bulletin.  55:55-59. 

azami zaharim, mokhtar shaharuddin, mohd. jailani mohd. nor, othman a. karim, kamaruzzaman sopian.  (2009).  relationships between airborne particulate matter and meteorological variables using non-decimated wavelet transform.  - european journal of scientific research.  27(2):308-312. 

ahmed elshafie, othman karim, mohd r. taha.  (2009).  non-linear prediction model for scour and air entrainment based static neural network approach.  - european journal of scientific research.  27(3):400-416. 

zaaim hasan, othman a. karim, khairul nizam abdul maulud.  (2008).  impak perubahan datum carta dan kecerunan pesisir depan terhadap ketidakpastian kedudukan titik pangkal malaysia.  - jurnal sains malaysiana.  37(2):123-130. 

mokhtar shaharuddin, azami zaharim, mohd. jailani mohd. nor, othman a. karim, kamaruzzaman sopian.  (2008).  application of wavelet transform on airborne suspended particulate matter and meteorological temporal variations.  - wseas transactions on environment and development.  4(2):89-98.