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- Progress on drinking water and sanitation : 2012 update - New York, N.Y. - Geneva : UNICEF : World Health Organization , c2012 - 59 s. ISBN 978-92-806-4632-0 [1, currently available 1]
- Chapters, articles
- Progress on sanitation and drinking-water : 2010 update - Geneva - New York, N.Y. : World Health Organization : UNICEF , c2010 - 55 s. ISBN 978-92-4-156395-6 [1, currently available 1]
- Chapters, articles