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M.S. Islam, M.U. Ahmad, M.E.H. Sarker and A.H.M.M. Haque
Pakistan Journal of Biological Sciences 7 ( 11 ): 1837 - 1839 , 2004
M.S. Islam, M.U. Ahmad, A.H.M.M. Haque and M.E.H. Sarker
Pakistan Journal of Biological Sciences 7 ( 11 ): 2002 - 2004 , 2004