Derawadan, Shoukat Ali, Mohammad Tahir, Abdul Majeed and Ayub Khan
Asian Journal of Plant Sciences 1 ( 6 ): 675 - 677 , 2002
Ayub Khan, Nasrullah J. Malik, M. Idrees Khan and Shahid Riaz
Journal of Biological Sciences 1 ( 10 ): 895 - 897 , 2001
Ayub Khan, M. Rahim, Amjad Khan and M.Idrees Khan
Pakistan Journal of Biological Sciences 4 ( 4 ): 404 - 406 , 2001