Papers presented at the Conference on Agricultural Fesearch and Production in Africa (efficiency, application and co-ordination), Addis Ababa, Ethiopia, 29 Aug - 4 Sep 1971
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Format: | Texto biblioteca |
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1971
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Subjects: | PRODUCTION, RESEARCH, TRAINING, MANPOWER, RECHERCHE, PRODUCCION, INVESTIGACION, FORMATION, MAIN D'OEUVRE, CAPACITACION, MANO DE OBRA, |
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