Z.M. Sarwar Zahan, M. Abdul Ahad, M.S. Bari, M. Alamgir Hossain and M.J. Islam
Pakistan Journal of Biological Sciences 4 ( 9 ): 1118 - 1119 , 2001
N. Sultana, M.S. Bari and M.G. Rabbani
Pakistan Journal of Biological Sciences 4 ( 10 ): 1205 - 1208 , 2001