The impact of agricultural research in tropical Africa : a study of the collaboration between the international and national research systems /
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| 其他作者: | , |
| 格式: | 圖書 |
| 語言: | 英语 |
| 出版: |
Washington, D.C. :
World Bank,
c1987.
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| 叢編: | Study paper (Consultative Group on International Agricultural Research) ;
no. 21. |
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