Somen Dewan, Md. Jasim Uddin, Mirza Md. Mozaffar Hossain, David Rintu Das and Md. Sazzad Hossain
Pakistan Journal of Biological Sciences 5 ( 2 ): 221 - 224 , 2002
Biplab Bikash Paul Choudhury, David Rintu Das, Md. Ibrahim and S.C. Chakraborty
Pakistan Journal of Biological Sciences 5 ( 10 ): 1120 - 1122 , 2002