M. A. Khaleque Mian, Umakanta Sarker, P. S. Biswas, B. Prasad and M. A. Khaleque Mian
Pakistan Journal of Biological Sciences 5 ( 1 ): 1 - 5 , 2002
Umakanta Sarker and Nilufa Ferdous
Pakistan Journal of Biological Sciences 5 ( 3 ): 275 - 277 , 2002