M.O. Hamzah, M.R.M. Hasan, C.N. Che Wan and N.H. Abdullah
Journal of Applied Sciences 10 ( 20 ): 2403 - 2410 , 2010
M.O. Hamzah, A. Jamshidi, Z. Shahadan, M.R. Mohd Hasan and A.S. Yahaya
Journal of Applied Sciences 10 ( 20 ): 2433 - 2439 , 2010