Varieties of extension education and community development
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| 格式: | 图书 |
| 语言: | English |
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[Ithaca, N.Y.]
Rural Education Dept., New York State College of agriculture
1958
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
[Ithaca, N.Y.]
Rural Education Dept., New York State College of agriculture
1958
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| 主题: |