The relationship between technical agricultural research and the economic aspects of farming.
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| Format: | Texto biblioteca |
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1964
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| Subjects: | TEC ECA, FARMING SYSTEMS, ECONOMIC SITUATION, RESEARCH, AGRICULTURAL DEVELOPMENT, SYSTEME D'EXPLOITATION AGRICOLE, SITUATION ECONOMIQUE, RECHERCHE, SISTEMAS DE EXPLOTACION, SITUACION ECONOMICA, INVESTIGACION, DEVELOPPEMENT AGRICOLE, DESARROLLO AGRICOLA, |
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