Sami Ullah, Faiz Ahmad and P. S. M. Megat-Yusoff
Journal of Applied Sciences 11 ( 21 ): 3645 - 3649 , 2011
N. Amir, F. Ahmad and P. S. M. Megat-Yusoff
Journal of Applied Sciences 11 ( 10 ): 1678 - 1687 , 2011
P. S. M. Megat-Yusoff, M. R. Abdul Latif and M. S. Ramli
Journal of Applied Sciences 11 ( 9 ): 1618 - 1623 , 2011