PRIMER SEMINARIO LATINOAMERICANO DE PROFESORES DE EXTENSION AGRICOLA CELEBRADO EN IICA, LOS DIAS 3 AL 20, MAYO 1965. TURRIALBA, COSTA RICA
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| Format: | Texto biblioteca |
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TURRIALBA, C.R. : IICA
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| Subjects: | AGRICULTURA-SEMINARIOS, EXTENSION AGRICOLA-SEMINARIOS, |
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