Proceedings of the ninth International Conference of Agricultural Economists.
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| 新标题: | International Conference of Agricultural Economists. Papers and reports ... International Conference of Agricultural Economists. |
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| 企业作者: | , |
| 格式: | 会议录 图书 |
| 语言: | 英语 |
| 出版: |
new York :
oxford university press,
1956.
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| 主题: | |
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