Fayyaz Ahmad, Ishfaq Ahmad Hafiz, Ali Asghar Asi, Saeed Ahmad and Mehmood Khan
Asian Journal of Plant Sciences 1 ( 2 ): 158 - 159 , 2002
Humayun Khan, Mazullah Khan, Asmatulla, Khalid Rasul, Anwar Bhatti and Mehmood Khan
Pakistan Journal of Biological Sciences 3 ( 12 ): 2010 - 2012 , 2000