Explanatory notes on key topics in the regulation of water and sanitation services
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| 其他作者: | , |
| 格式: | 圖書 |
| 語言: | English |
| 出版: |
Washington, D.C.
World Bank
c2006.
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| 叢編: | Water Supply and Sanitation Sector Board discussion paper series
no.6 |
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