Williams, T. O. Sustainable crop-livestock production for improved livelihoods and natural resource management in West Africa : proceedings /ed. by T. O. Williams [and others] - Nairobi, Kenya : International Livestock Research Institute, 2004. - 516 p. ISBN: 929146161X LCCN: 91662 Subjects--Topical Terms: Agricultura sustentable.Agricultura--Africa--Africa.Cultivos--Africa.GanaderĂa--Congresos. Dewey Class. No.: 630.96757 / W5