F.M. Tahir, M.A. Pervez and R. Ahmad
Pakistan Journal of Biological Sciences 1 ( 2 ): 132 - 133 , 1998
F.M. Tahir, M.A. Pervez and R. Ahmad
Pakistan Journal of Biological Sciences 1 ( 2 ): 137 - 138 , 1998
M.A. Pervez, Faqir Muhammad and Manzoor Ahmad
Pakistan Journal of Biological Sciences 2 ( 4 ): 1637 - 1638 , 1999