Clean water and adequate sanitation for all by 1990: the International Drinking-Water Supply and Sanitation Decade: report by the Director-General
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Citation
World Health Assembly, 33. (1980). Clean water and adequate sanitation for all by 1990: the International Drinking-Water Supply and Sanitation Decade: report by the Director-General. World Health Organization. https://iris.who.int/handle/10665/154545