M. R. Islam, M. A. R. Bhuiyan, B. Prasad, M. H. Rashid and M. A. Quddus
Journal of Biological Sciences 1 ( 9 ): 840 - 842 , 2001
B. Prasad, A.K. Patwary and P.S. Biswas
Pakistan Journal of Biological Sciences 4 ( 10 ): 1188 - 1190 , 2001