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Innovation policy for small farmers in the tropics the economics of technical innovation for agricultural development
| 主要作者: | |
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| 格式: | Printed Book |
| 語言: | English |
| 出版: |
Oxford
Clarendon Press
1985
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| 主題: |
DAE
| 索引號: |
330.341.1 RUT |
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| 復印件 | Live Status Unavailable |