W.A. Wan Juliana, M.S. Nizam, H.H. Khatijah, Mohd Ekhwan Toriman, Mushrifah Idris, N.A. Nik Norafida, Y.H. Cham and M.N. Nurhanim
Research Journal of Biological Sciences 5 ( 10 ): 692 - 698 , 2010