1. Open WorldCat;Birdsall Nancy,2004
2. CAPMAS (Central Agency for Public Mobilization and Statistics). 2006. “Egypt, Arab Rep.—Population and Housing Census 2006.” Cairo: CAPMAS. http://www.capmas.gov.eg/.
3. CAPMAS (Central Agency for Public Mobilization and Statistics). 2017. “Egypt Population, Housing, and Establishments Census 2017.” Cairo: CAPMAS. http://www.enow.gov.eg/Report/EgyptCensus2017.pdf.
4. CAPMAS (Central Agency for Public Mobilization and Statistics). 2019. “Statistical Yearbook.” December. Cairo: CAPMAS. http://www.capmas.gov.eg/.