Proceedings of the symposium on agricultural extension services in the 21st century : Needs and challenges
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| フォーマット: | 図書 |
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| 言語: | Undetermined |
| 出版事項: |
Venue
Department of Agriculture Extension Education Bangladesh Agriculture University mymensingh
1999
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| 主題: | |
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| Thư viện lưu trữ: | Trung tâm Học liệu Trường Đại học Cần Thơ |
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