Appropriate technology for water supply and sanitation : a summary of technical and economic options
[by John M. Kalbermatten, DeAnne S. Julius, and Charles G. Gunnerson]
Bok Engelsk 1980
Utgitt | [Washington, D.C.] : Transportation, Water and Telecommunications Department, the World Bank , 1980
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Omfang | viii, 36 s. : ill.
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Opplysninger | "Volume 1a."
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Emner |