Los principios conservacionistas en el desarrollo agrario.
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Format: | Texto biblioteca |
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1968
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Subjects: | AGRICULTURAL DEVELOPMENT, NATURE CONSERVATION, NATURAL RESOURCES, LATIN AMERICA, DEVELOPPEMENT AGRICOLE, CONSERVATION DE LA NATURE, RESSOURCE NATURELLE, DESARROLLO AGRICOLA, CONSERVACION DE LA NATURALEZA, RECURSOS NATURALES, AMERIQUE LATINE, AMERICA LATINA, |
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