on a few theoretical questions of prognoses and long - term plans for the development of agricultural production /
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| 主要作者: | |
|---|---|
| 格式: | 图书 |
| 语言: | 阿拉伯语 |
| 出版: |
cairo :
the institute of national planning,
1974.
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| 丛编: | External notes ؛
1062. |
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