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	Water in the Time of Drought: Lessons from Five Droughts around the World  report - 2018 - 53 pp Ed. IADB - Georgetown
	Water and Wastewater Engineering  Design Principles and Practice textbook - 2010 - 1301 pp Ed. McGraw-Hill Education - New York
	Global Atlas of Excreta, Wastewater Sludge, and Biosolids Management  Moving Forward the Sustainable and Welcome Uses of a Global Resource book - 2008 - 632 pp Ed. UN-Habitat - Nairobi
	Water supply and sanitation by country  website Ed. Wikipédia -

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