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Asian Journal of Plant Sciences 1 ( 2 ): 144 - 145 , 2002
Naeem Mahmood, Buland Akhtar and Muhammad Saleem
Asian Journal of Plant Sciences 1 ( 2 ): 136 - 139 , 2002
Naeem Mahmood and Muhammad Aslam Chowdhry
Pakistan Journal of Biological Sciences 3 ( 3 ): 440 - 447 , 2000