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Appropriate technology for water supply and sanitation

by Shuval, H.I | Gunnerson, C.G | Julius, De A.S.

Language: Publication details: World BanK ; 1981Availability: Items available for reference: Staff Collection (1) .

Appropriate technology for water supply and sanitation a sanitation field manual

by Kalbermatten, J.M | Julius, De A.S | Gunnerson, C.G.

Language: Publication details: World BanK ; 1980Availability: Items available for reference: Staff Collection (1) .

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