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Muhammad Sajid, Muhammad Ishtiaq, Faridullah Wazir and Muhammad Arif
Asian Journal of Plant Sciences 1 ( 2 ): 156 - 157 , 2002
Syed Wajahat Hussain, Muhammad Ishtiaq and Syed Asghar Hussain
Journal of Biological Sciences 1 ( 5 ): 345 - 347 , 2001
Muhammad Ishtiaq, Wajahat Hanif, M.A. Khan, M. Ashraf and Ansar M. Butt
Pakistan Journal of Biological Sciences 10 ( 13 ): 2241 - 2256 , 2007