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zuhairuse md. darus, afaq chawdar, othman abdul karim, khairul nizam abdul maulud.  (2009).  the appraisal of energy policies and potential of renewable energy as alternative source of energy in malaysia.  - proceeding of the 3rd wseas international conference on energy planning, energy saving, environmental education (epses 09).  . 

zuhairuse md darus, nor atikah hashim, siti nurhidayah abdul manan, mohd azhar abdul rahman, khairul nizam abdul maulud & othman abdul karim..  (2008).  potential of wind energy in sustainable development of resort island in malaysia: a case study of pulau perhentian (perhentian island).  - wseas international conferences corfu, greece, october 26-28, 2008. proceedings of the 10th wseas international conference on mathematical methods, computational techniques and intelligent systems.  . 

k.n. abdul maulud, o.a karim, k. sopian, z. md. darus, e.e. mohd. ramly..  (2008).  identification a potential wave energy location in malaysia using gis.  - wseas international conferences corfu, greece, october 26-proceedings of the 10th wseas international conference on mathematical methods, computational techniques and intelligent systems.  .