M. Kamal NH., A. Zulkhairi, A.H. Hafizah, F. Fazali, A.K. Khairul Kamilah, M.A. Rasadah, M.S. Zamree and M.A.M. Shahidan
Research Journal of Biological Sciences 4 ( 12 ): 1230 - 1235 , 2009