An ecological systems conceptual framework for agricultural research and development.
Gespeichert in:
| Verfasser: | |
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| Format: | tesis |
| Publikationsdatum: | 1979 |
| Beschreibung: | Tesis (Mag. Sc.) -- CATIE, Turrialba (Costa Rica), 1979 |
| Land: | Repositorio CATIE |
| Institution: | Centro Agronómico Tropical de Investigación y Enseñanza |
| Repositorio: | Repositorio CATIE |
| OAI Identifier: | oai:repositorio.catie.ac.cr:11554/281 |
| Online Zugang: | https://repositorio.catie.ac.cr/handle/11554/281 |
| Stichwort: | SISTEMAS DESARROLLO AGRICOLA PRODUCCION AGRICOLA MARCO CONCEPTUAL SISTEMAS AGRICOLAS MODELOS ECOLOGIA AGROECOSISTEMAS DESARROLLO REGIONAL AGRICULTURAL DEVELOPMENT agricultural production MODELS ECOLOGY AGROECOSYSTEMS REGIONAL DEVELOPMENT AGRICULTURAL RESEARCH COSTA RICAINVESTIGACION AGRARIA |