An ecological systems conceptual framework for agricultural research and development.
Tesis (Mag. Sc.) -- CATIE, Turrialba (Costa Rica), 1979
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Tesis |
| Language: | Inglés |
| Published: |
Iowa State University (EUA)
2014
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| Subjects: | |
| Online Access: | https://repositorio.catie.ac.cr/handle/11554/281 |
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