Asmah Awal, Rosna Mat Taha and Nor Azlina Hasbullah
Journal of Biological Sciences 8 ( 5 ): 920 - 924 , 2008
Norhayati Daud, Rosna Mat Taha and Nor Azlina Hasbullah
Pakistan Journal of Biological Sciences 11 ( 9 ): 1240 - 1245 , 2008