Rahmat Ullah Khan, Abdul Ahad, Abdur Rashid and M. Amin
Journal of Biological Sciences 1 ( 3 ): 90 - 91 , 2001
Abdur Rashid, Rahmat Ullah Khan and Himayatullah Khan
Pakistan Journal of Biological Sciences 10 ( 3 ): 511 - 513 , 2007
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