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	Situational analysis on equitable access to water and sanitation in Bulgaria  rapport - 2018 - 86 pp Ed. Earth Forever - Stara Zagora
	Sustainable Sanitation for Rural Bulgaria  diaporama powerpoint - 2008 - 20 pp Ed. WECF - Utrecht
	Access to safe sanitation – a right for EU citizens  film video internet - 2008 - 8 mn Ed. Rapsode Production - Paris WECF - Utrecht
	Global Atlas of Excreta, Wastewater Sludge, and Biosolids Management  Moving Forward the Sustainable and Welcome Uses of a Global Resource livre - 2008 - 632 pp Ed. UN-Habitat - Nairobi

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