APA
Essama-Nssah B., World Bank, . (2012). Identification of sources of variation in poverty outcomes. Washington DC: World Bank.
Chicago
Essama-Nssah B, World Bank, . 2012. Identification of sources of variation in poverty outcomes. Washington DC: World Bank.
Harvard
Essama-Nssah B., World Bank, . (2012). Identification of sources of variation in poverty outcomes. Washington DC: World Bank.
MLA
Essama-Nssah B, World Bank, . Identification of sources of variation in poverty outcomes. Washington DC: World Bank. 2012.