Appropriate technology for water supply and sanitation. Volume 1, technical and economic options

Sábháilte in:
Sonraí bibleagrafaíochta
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: Washington, D.C. : Transportation, Water, and Telecommunications Dept., World Bank, c1980.
Sraith:Appropriate technology for water supply and sanitation ; v. 1.
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