M. Asad-ud-doullah, M. K. Anam, Md. Nazrul Islam, M. Rahman, G. A. Fakir and I. Hossain
Pakistan Journal of Biological Sciences 5 ( 7 ): 767 - 769 , 2002
S.M. A. Islam, I. Hossain, G. A. Fakir and M. Asad-Ud-Doullah
Pakistan Journal of Biological Sciences 4 ( 12 ): 1509 - 1511 , 2001