Willingness-to-pay and design of water supply and sanitation projects a case study
| Другие авторы: | |
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| Формат: | |
| Язык: | English |
| Опубликовано: |
[Mandaluyong City]
Asian Development Bank
2006.
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| Серии: | ERD technical note series
no.19 |
| Предметы: |