Ahmad Khan and M. Asghar Malik
Journal of Biological Sciences 1 ( 7 ): 575 - 576 , 2001
Rahmat Ullah Khan, Abdul Rashid and Ahmad Khan
Pakistan Journal of Biological Sciences 1 ( 4 ): 329 - 331 , 1998
Rahmat Ullah Khan, Abdul Rashid and Ahmad Khan
Pakistan Journal of Biological Sciences 2 ( 2 ): 347 - 349 , 1999
Rahmat Ullah Khan, Abdur Rashid, Ahmad Khan and Noor Alam Khan
Pakistan Journal of Biological Sciences 3 ( 12 ): 1996 - 1997 , 2000