J.M. Nzikou, L. Matos, J.E. Moussounga, C.B. Ndangui, N.P. Pambou-Tobi, E.M. Bandzouzi, A. Kimbonguila, M. Linder and S. Desobry
Research Journal of Applied Sciences 4 ( 2 ): 94 - 100 , 2009