Appropriate technology for water supply and sanitation.
Subtitle: a state-of-the-art review
By: by Richard G. Feachem, David J. Bradley, Hemda Garelick, and D. Duncan Mara.
Contributors: Feachem, Richard G. 1947-; WorldBank.
Publisher: International Bank for Reconstruction and Development/World Bank
Published: 1981
Place of publication: Washington D.C
Language: eng