M.A.K. Megat Hanafiah, M.Z.A. Yahya, H. Zakaria and S.C. Ibrahim
Journal of Applied Sciences 7 ( 4 ): 489 - 493 , 2007
M. A.K. Megat Hanafiah, W.S. Wan Ngah, H. Zakaria and S.C. Ibrahim
Journal of Biological Sciences 7 ( 2 ): 222 - 230 , 2007