Guidelines for research on hillside farms : participatory technology development of soil and water conservation technologies
| Autor principal: | Sims, B. |
|---|---|
| Otros Autores: | Walle, R., Ellis-Jones, J. |
| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
Bedford (Ukrania) :
,
1999
|
| Materias: |
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