Niranjan Kumar Sana, Narayan Roy, Kamal Krishna Biswas and Entazul M. Huque
Pakistan Journal of Biological Sciences 4 ( 2 ): 233 - 236 , 2001
Tapan Kumar Biswas, Niranjan Kumar Sana, Rezaul Karim Badal and Entazul M. Huque
Pakistan Journal of Biological Sciences 4 ( 8 ): 1002 - 1005 , 2001