M.R. Wagan, I. Rajpar, M.I. Keerio and A.A. Yousifzai
Journal of Applied Sciences 2 ( 7 ): 719 - 722 , 2002
N.A. Deho, M.R. Wagan, M.K. Baloach, I. Rajpar and M.I. Keerio
Journal of Applied Sciences 2 ( 8 ): 820 - 821 , 2002