Ridzwan B. H., M. Z. Zarina, Kaswandi M. A., M. Nadirah and A. F. Shamsuddin
Pakistan Journal of Biological Sciences 4 ( 3 ): 244 - 246 , 2001
A. R. Fathilah, A. Aishah and M. Z. Zarina
Research Journal of Microbiology 2 ( 4 ): 381 - 386 , 2007