M. Asim Islam, M. Aslam Khan and M. Bashir Ilyas
Pakistan Journal of Biological Sciences 2 ( 2 ): 406 - 409 , 1999
M. Aslam Khan, M. Bashir Ilyas and M. Asim Islam
Pakistan Journal of Biological Sciences 2 ( 2 ): 415 - 418 , 1999