Handpumps toward a sustainable technology : research and development during the water supply and sanitation decade
| Главный автор: | |
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| Корпоративные авторы: | , |
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| Язык: | English |
| Опубликовано: |
Washington, D.C.
UNDP-World Bank Water and Sanitation Program
c1992.
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| Серии: | Water and sanitation report
no.5 |
| Предметы: |