Não informado. (1976). Africa Development. Council for the Development of Economic and Social Research in Africa.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Africa Development. Dakar: Council for the Development of Economic and Social Research in Africa, 1976.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Africa Development. Council for the Development of Economic and Social Research in Africa, 1976.
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