Papers presented at the fourth session of the African commission on agricultural statistics - Algiers, Algeria, 15-20 Dec 1969.
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| Format: | Texto biblioteca |
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1969
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| Subjects: | ST AGS AF, AGRICULTURAL SECTOR, FARM HELPER SERVICES, FARM SURVEYS, AGRICULTURAL CENSUSES, METHODS, SAMPLING, DATA COLLECTION, CEREALS, SECTEUR AGRICOLE, SECTOR AGRARIO, ENTRAIDE AGRICOLE, ENQUETE SUR EXPLOITATIONS AGRICOLES, RECENSEMENT AGRICOLE, METHODE, ECHANTILLONNAGE, COLLECTE DE DONNEES, CEREALE, MUTUALIDAD AGRARIA, ENCUESTAS SOBRE EXPLOTACIONES, CENSOS AGRARIOS, METODOS, MUESTREO, RECOLECCION DE DATOS, CEREALES, |
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