Markus Goldstein and Harsha Thirumurthy (The World Bank), 'Greater Eldoret Health and Development Survey (Round 2) 2005 - Research Use Files (Kenya)', 2011
Public Opinion Research Group (World Bank Group), 'World Bank Group Country Survey 2021 (Dominica, Grenada, St. Lucia, St. Vincent and the Grenadines)', 2022
Ministry of Health and Population (Government of Arab Republic of Egypt); El-Zanaty and Associates, 'Demographic and Health Survey 2014 (Egypt, Arab Rep.)', 2015