Shazia O.W.M. Reuben, Minza Masunga, Rhodes Makundi, Robert N. Misangu, Bukheti Kilonzo, Maulid Mwatawala, Herman F. Lyimo, Christine G. Ishengoma, Dastun G. Msuya and Loth S. Mulungu
Asian Journal of Plant Sciences 5 ( 1 ): 91 - 97 , 2006