1. Van Rooijen DJ, Biggs TW, Smout I, Drechsel P. Urban growth, wastewater production and use in irrigated agriculture: a comparative study of Accra, Addis Ababa and Hyderabad. Irrig Drain Systems. 2010;24:53–64.
2. Gebre G, Rooijen D. Urban water pollution and irrigated vegetable farming in Addis Ababa. In: Water, sanitation and hygiene: Sustainable development and multisectorial approaches. Proceedings of the 34th WEDC International Conference. Addis Ababa: United Nations Confrence Centre; 2009. p. 18–22.
3. WWAP. The United Nations world water development report 2017: Wastewater. The Untapped Resource. Paris: WWAP (United Nations World Water Assessment Programme); 2017.
4. Rao KR, Hailu FK. Environmental corporate social responsibility of brewery firms in Ethiopia. IJAR. 2016;2:01–7.
5. Brewers of Europe. Guidance note for establishing BAT in the brewing industry. Brussels; 2002.