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. 

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. 

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. 

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. 

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. 

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,. 

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.