R. Begum, M.A.H. Chowdhury, H.M. Zakir and M.R. Kabir
Journal of Biological Sciences 2 ( 7 ): 459 - 462 , 2002
S.K. Sarker, M.A.H. Chowdhury and H.M. Zakir
Journal of Biological Sciences 2 ( 11 ): 729 - 733 , 2002