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1Sustainable food production in Sub-Saharan Africa; 2: Constraints and opportunities Sustainable food production in Sub-Saharan Africa; 2: Constraints and opportunitiesby 10742 IITA, Ibadán (Nigeria), Symposium on Sustainable Food Production in Sub-Saharan Africa Ibadán (Nigeria) 7-9 Dic 1992
Published 1993bibliotecaIICA