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	A Guide to the development of on-site sanitation  book - 1992 - 229 pp Ed. WHO - Genève
	A guide to the development of on-site sanitation  guide - 1995 - 102 pp Ed. WHO - Genève
	Water, sanitation and hygiene in health care facilities: status in low and middle income countries and way forward  guide - 2016 - 52 pp Ed. WHO - Genève
	Low-Cost Sanitation: A Survey of Practical Experience  book - 1995 Ed. Practical Action - Rugby

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