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Pakistan Journal of Biological Sciences 6 ( 2 ): 146 - 148 , 2003
Nirmal Kumar Halder, Manash Kumar Shaha, A.H.M. Fazlul Kabir, MD. Jillur Rahman and MD. Zahurul Islam
Pakistan Journal of Biological Sciences 6 ( 3 ): 246 - 248 , 2003