Biplob Das, Yusuf Sharif Ahmed Khan and Mohammad Abdul Karim Sarker
Pakistan Journal of Biological Sciences 5 ( 5 ): 607 - 608 , 2002
Biplob Das, Yusuf Sharif Ahmed Khan, Pranab Das and Sakhawat Hossain Likhon
Pakistan Journal of Biological Sciences 5 ( 3 ): 362 - 366 , 2002