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2 Drechsel, Pay; Hanjra, Munir A. 2018. Wastewater and biosolids for fruit trees (Tunisia) - Case Study. In Otoo, Miriam; Drechsel, Pay (Eds.). Resource recovery from waste: business models for energy, nutrient and water reuse in low- and middle-income countries. Oxon, UK: Routledge - Earthscan. pp.569-583.