B. Fungo, S. Grunwald , M.M. Tenywa , B. Vanlauwe and P. Nkedi-Kizza
El Hassan, El Aouli and Hassan Amaouain
El Hassan El Aouli, Gasquet Dominique and Hassan Amaouain
N.G. Gok, S.S. Dada, A.I. Oha and A. Moumouni
A.C. Otieno and M. Buyinza