1. World Bank. (2012, 21 August). Cairo traffic is much more than a nuisance. World Bank. Retrieved from www.worldbank.org/en/news/feature/2012/08/21/cairo-traffic-much-more-than-nuisance.
2. UNESCO. (2017). Poverty. UNESCO. Retrieved from Social and Human Sciences. www.unesco.org/new/en/social-and-human-sciences/themes/international-migration/glossary/poverty/