Agricultural systems in Africa : Journal of the West African Farming Systems Research Network, v. 3 no. 1, 1993 :

Olukosi, J.Kleene, P.Versteeg, M.2007-11-132000-03-292007-11-131993http://hdl.handle.net/10625/33042Some text in FrenchInserted table of contentsText1 digital file (123 p. : ill.)Application/pdfenFARMING SYSTEMSAGRICULTURAL RESEARCHON-FARM RESEARCHWEST AFRICAPLANT PRODUCTIONRESEARCH NETWORKSSERIALSAgricultural systems in Africa : Journal of the West African Farming Systems Research Network, v. 3 no. 1, 1993 :Systèmes agricoles en Afrique : Revue du Réseau d'étude des systèmes de production en Afrique de l'Ouest, v. 3, no. 1, 1993Working Paper