M.M. Rahman, A.K. Ariffin, S. Abdullah, M.M. Noor, Rosli A. Bakar and M. A. Maleque
American Journal of Applied Sciences 6 ( 4 ): 715 - 725 , 2009
M.M. Rahman, Mohammed K. Mohammed and Rosli A. Bakar
Journal of Applied Sciences 9 ( 6 ): 1128 - 1134 , 2009