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Journal of Applied Sciences 3 ( 7 ): 530 - 536 , 2003
M. Umar Khan, M. Qasim, M. Subhan, M. Jamil and Riazud Din Ahmad
Journal of Applied Sciences 3 ( 7 ): 524 - 529 , 2003
Muhammad Subhan, Himayat Ullah Khan and Riazud Din Ahmad
Pakistan Journal of Biological Sciences 3 ( 12 ): 2087 - 2090 , 2000