Rapport entre l'enseignement, la recherche et la vulgarisation agricoles.
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Format: | Texto biblioteca |
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1963
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Subjects: | AGRICULTURE, EXTENSION ACTIVITIES, EDUCATION, RESEARCH, RURAL DEVELOPMENT, AFRICA, VULGARISATION, RECHERCHE, AGRICULTURA, EXTENSION, EDUCACION, INVESTIGACION, DEVELOPPEMENT RURAL, AFRIQUE, DESARROLLO RURAL, |
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