Elements de vulgarisation agricole
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| Format: | Texto biblioteca |
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1971
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| Subjects: | AGRICULTURE, EXTENSION ACTIVITIES, ECONOMIC SITUATION, RESEARCH INSTITUTIONS, ADVISORY OFFICERS, METHODS, PLANNING, TEACHING METHODS, WORKERS, AGRICULTURAL DEVELOPMENT, VULGARISATION, AGRICULTURA, EXTENSION, SITUATION ECONOMIQUE, INSTITUTION DE RECHERCHE, CONSEILLER AGRICOLE, METHODE, PLANIFICATION, METHODE PEDAGOGIQUE, TRAVAILLEUR, DEVELOPPEMENT AGRICOLE, SITUACION ECONOMICA, INSTITUCIONES DE INVESTIGACION, AGENTES DE EXTENSION, METODOS, PLANIFICACION, METODOS PEDAGOGICOS, OBREROS, DESARROLLO AGRICOLA, |
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