World Resourses Institute (WRI)

International Institute for the Environment and Development (IIED), and World Resourses Institute (WRI). (1987) 1987. “Elements of Success: Sustainable Development in Sub-Saharan Africa”. In World Resources 1987: An Assessment of the Resource Base That Supports the Global Economy, 221-38. Washington, DC: Basic Books. https://www.wri.org/publication/world-resources-1987.