1. World Bank. 1989. “Sub-Saharan Africa: From Crisis to Sustainable Growth: A Long-Term Perspective Study”. Washington, DC: World Bank.
2. World Bank. 1994. “Adjustment in Africa: Reforms, Results and the Road Ahead”. Washington, DC: World Bank.
3. World Bank. 2000. “Can Africa Claim the 21st Century?”. Washington, DC: World Bank.