United Nations ACC Intersecretariat Group for Water -New York, NY, US

United Nations ACC Intersecretariat Group for Water -New York, NY, US & UN Economic Commission for Africa -Addis Ababa, ET, ECA, 1989. The water situation in Africa : report of the 10th session, Addis Ababa, Ethiopia: United Nations Economic Commission for Africa (ECA). Available at: https://fr.ircwash.org/sites/default/files/824-AAF89-7821.pdf.