H. Musa, I.A. Yakasai, K.Y. Musa, A.B. Isah and K. Mshelbwala
Journal of Applied Sciences 8 ( 11 ): 2183 - 2186 , 2008
A.B. Isah, Y.K.E. Ibrahim, E.M. Abdulrahman and M.A. Ibrahim
Pakistan Journal of Biological Sciences 10 ( 1 ): 137 - 141 , 2007