Md. Shahidul Haque, Md. Rezaul Islam, M. Abdul Karim and M.A. Halim Khan
Asian Journal of Plant Sciences 2 ( 1 ): 90 - 96 , 2003
M. Ashrafuzzaman, M.A. Halim Khan and S.M. Shahidullah
Journal of Biological Sciences 3 ( 2 ): 253 - 258 , 2003