International drinking water supply and sanitation decade (IDWSSD: 1981-1990) : decade commencement report
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World Health Organization. Regional Office for South-East Asia. (1983). International drinking water supply and sanitation decade (IDWSSD: 1981-1990) : decade commencement report. WHO Regional Office for South-East Asia. https://iris.who.int/handle/10665/205381