Self-help wells
Available online: http://www.fao.org/docrep/x5567e/x5567e00.htm
R.G. Koegel ; Food and Agriculture Organization (Rome, Italia)
Published by: FAO ; 1977Collection(s) and Series: FAO irrigation and drainage paper- No. 30
Language(s): English
Format: Digital (Free) (ill.)
ISBN (or other code): 978-92-5-100398-5
Tags: Groundwater ; Water ; Drinking water supply 
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