Centre de développement de l'OCDE [et] Conseil pour le développement de la recherche économique et sociale en Afrique = Directory, development research and training institutes in Africa / OECD Development Centre [and] Council for the Development of Economic and Social Research in Africa (CODESRIA)
International Conference on the Organization of Research and Training in Africa in Relation to the Study, Conservation, and Utilization of Natural Resources (1964 : Lagos, Nigeria) (Lagos)