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
Omfang
viii, 36 s. : ill.
Opplysninger
"Volume 1a."
Emner

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