The International Drinking Water Supply and Sanitation Decade. Review of national baseline data (as at 31 December 1980)
Sp. ed. published in 1985. Fr. ed. published in 1986
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| Format: | Texto biblioteca |
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Geneva (Switzerland) WHO
1984
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| Subjects: | DRINKING WATER, WATER SUPPLY, HYGIENE, EAU POTABLE, APPROVISIONNEMENT EN EAU, AGUA POTABLE, ABASTECIMIENTO DE AGUA, HIGIENE, |
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| Summary: | Sp. ed. published in 1985. Fr. ed. published in 1986 |
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