Shafiullah ., S. Asad, M.A. Rana, Baitullah, A.S. Khan and M.A. Malik
Pakistan Journal of Biological Sciences 3 ( 2 ): 345 - 347 , 2000
Shafiullah ., M.A. Khan, M.A. Poswal, M.A. Rana and Baitullah
Pakistan Journal of Biological Sciences 3 ( 3 ): 459 - 462 , 2000