Programa de educacion en zonas aridas y control de la desertificacion
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Main Authors: | , , |
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Format: | Texto biblioteca |
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Santiago (Chile)
1989
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Subjects: | EDUCATION, SOIL CONSERVATION, DESERTIFICATION, ENVIRONMENTAL PROTECTION, RURAL DEVELOPMENT, CONSERVATION DES SOLS, EDUCACION, CONSERVACION DE SUELOS, DESERTIFICACION, PROTECTION DE L'ENVIRONNEMENT, DEVELOPPEMENT RURAL, PROTECCION AMBIENTAL, DESARROLLO RURAL, |
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