M. Ahmed, F. Ahmed, M.S.H. Molla, M.D. Hossain and B.M.Z. Rahman
Pakistan Journal of Biological Sciences 4 ( 8 ): 937 - 939 , 2001
M. Ahmed, R. Parvin, M.S. Rahman, M.S.H. Molla and S.M.J. Hossan
Pakistan Journal of Biological Sciences 4 ( 8 ): 931 - 933 , 2001