By Garcia Luis E.   Rodriguez Diego   Wenner Mark   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2002|2|959-970

Water Environment Federation‎(2002)‎

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By Wenner Mark D.   Navajas Sergio   Trivelli Carolina   Tarazona Alvaro   in Enterprise Development and Microfinance

ISSN:1755-1986|18|2-3|158-174

Practical Action Publishing in association with GSE Research‎(2007)‎

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