S. M. Alam and A. Shereen
Asian Journal of Plant Sciences 1 ( 4 ): 364 - 366 , 2002
S. M. Alam and R. Ansari
Journal of Biological Sciences 1 ( 6 ): 434 - 435 , 2001
Muhammad Akhtar and S. M. Alam
Journal of Biological Sciences 1 ( 3 ): 124 - 125 , 2001