Technology for water supply and sanitation in developing countries. Report of a WHO Study Group
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| Format: | Texto biblioteca |
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Geneva (Switzerland) WHO
1987
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| Subjects: | WATER SUPPLY, WASTE DISPOSAL, DEVELOPING COUNTRIES, HYGIENE, WASTEWATER, WATER QUALITY, APPROVISIONNEMENT EN EAU, ELIMINATION DES DECHETS, ABASTECIMIENTO DE AGUA, ELIMINACION DE DESECHOS, PAYS EN DEVELOPPEMENT, EAU USEE, QUALITE DE L'EAU, PAISES EN DESARROLLO, HIGIENE, AGUAS RESIDUALES, CALIDAD DEL AGUA, |
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