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Cassava in shifting cultivation : systems approach to agricultural technology development in Africa /
Gorde:
| Egile nagusia: | |
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| Formatua: | Liburua |
| Argitaratua: |
Amsterdam :
Royal Tropical Institute,
1986.
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| Saila: | Development oriented research in agriculture
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| Gaiak: | |
| Etiketak: |
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