James Murombedzi. « 21 - Where Do We Go from Rio? The Implications of the Third World Conference on Sustainable Development (Rio+ 20) ». CODESRIA Bulletin, no. 03-04 (août 4, 2012). Consulté le novembre 13, 2026. https://journals.codesria.org/index.php/codesriabulletin/article/view/445.