The training and visit system of extension a paper based on experiences in the training and visit system of extension under the Kurunegala Rural Development Project
| 第一著者: | |
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| フォーマット: | 図書 |
| 言語: | English |
| 出版事項: |
Colombo, Sri Lanka
Agrarian Research and Training Institute
1981.
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| シリーズ: | Occasional publication / Agrarian Research & Training Institute
26. |
| 主題: |