Miloud Souiyah, A. Muchtar, Abdulnaser Alshoaibi and A.K. Ariffin
American Journal of Applied Sciences 6 ( 7 ): 1396 - 1402 , 2009
S. Abdullah, E. Adril, A. Muchtar and A.K. Ariffin
Journal of Applied Sciences 10 ( 6 ): 462 - 470 , 2010