Muhammad Fareed Khan, Asad Hussain Shah and Mumtaz Hussain
Journal of Agronomy 1 ( 3 ): 110 - 111 , 2002
Ameer Khan, Muhammad Iqbal, Iftikhar Ahmad, Naeem Iqbal and Mumtaz Hussain
Pakistan Journal of Biological Sciences 3 ( 10 ): 1632 - 1633 , 2000