Jones, Devid Howell ed.
Water supply and waste disposal - Washington The World Bank 1983 - 47p.: 1 folded figure - Poverty and basic needs series .
Water supply
waste disposal
628.1 / W3
Water supply and waste disposal - Washington The World Bank 1983 - 47p.: 1 folded figure - Poverty and basic needs series .
Water supply
waste disposal
628.1 / W3