World and regional supply and demand balances for nitrogen, phosphate, and potash, 1992/99-1998
| 企業作者: | |
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| 格式: | 圖書 |
| 語言: | English |
| 出版: |
Washington, D.C.
The World Bank
c1994.
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| 叢編: | World Bank technical paper
252 |
| 主題: |