Contribution of cropping systems program research and extension to the rural poor a case study of Ratnanagar cropping systems site
| 主要な著者: | , |
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| 共著者: | , |
| フォーマット: | 図書 |
| 言語: | English |
| 出版事項: |
Morrilton, AR
Winrock International Institute for Agricultural Development
1986.
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| シリーズ: | Rural poverty research paper series
number 2 |
| 主題: |