Farming systems researach approach: a primer for Eastern and Souther Africa
Gift
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| Main Authors: | , , , , |
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| Format: | Texto biblioteca |
| Language: | |
| Published: |
Gaborone (Botswana) UNDP/FAO
1994
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| Subjects: | FARMING SYSTEMS, RESEARCH, SYSTEME D'EXPLOITATION AGRICOLE, RECHERCHE, SISTEMAS DE EXPLOTACION, INVESTIGACION, |
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