World Bank. Africa Regional Office. Human Development Department. (2007). Recruiting, retaining, and retraining secondary school teachers and principals in Sub-Saharan Africa. World Bank, Africa Region, Human Development Dept..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Bank. Africa Regional Office. Human Development Department. Recruiting, Retaining, and Retraining Secondary School Teachers and Principals in Sub-Saharan Africa. Washington, D.C.: World Bank, Africa Region, Human Development Dept., 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld Bank. Africa Regional Office. Human Development Department. Recruiting, Retaining, and Retraining Secondary School Teachers and Principals in Sub-Saharan Africa. World Bank, Africa Region, Human Development Dept., 2007.