Elaboration et mise en oeuvre d'un programme de vulgarisation
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Format: | Texto biblioteca |
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1971
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Subjects: | AGRICULTURE, EXTENSION ACTIVITIES, PLANNING, METHODS, BURKINA FASO, PILOT FARMS, VULGARISATION, PLANIFICATION, AGRICULTURA, EXTENSION, PLANIFICACION, METHODE, FERME PILOTE, METODOS, FINCAS EXPERIMENTALES, |
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