Farmers' knowledge and perception of improved technology a study of five farming systems
| Hoofdauteur: | |
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| Andere auteurs: | , |
| Formaat: | Boek |
| Taal: | English |
| Gepubliceerd in: |
Colombo
Agrarian Research and Training Institute
1980.
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| Reeks: | Research study / Agrarian Research and Training Institute
no. 34 |
| Onderwerpen: |