[Addis Ababa?] : Economic Commission for Africa, [2011?]
Book, Conference Proceedings
xvii, 77 pages ; 30 cm
At head of title: RIO+20 : United Nations Conference on Sustainable Development
"This report was enriched by the substantive imputs provided by participants at the Africa Regional Preparatory Conference for the United Nations Conference on Sustainable Development (Rio+20), held from 20 to 25 October 2011"--Acknowledgements.
Includes bibliographical references (pages 71-77).