Modernizing world agriculture; a comparative study of agricultural extension education systems
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| 格式: | 圖書 |
| 語言: | English |
| 出版: |
New York,
Praeger
[1972]
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| 叢編: | Praeger special studies in international economics and development
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| 主題: |
| 實物描述: | xv, 216 p. illus. 25 cm. |
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| 參考書目: | Bibliography: p. 214-216. |