1. Angel, S., Parent, J., & Civco, D. (2007). Urban sprawl metrics: an analysis of global urban expansion using GIS. Proceedings of ASPRS 2007 Annual Conference, Tampa, Florida May 7–11.
2. Cutsinger, G., Galster, H., Wolman, R., & Hanson, D. (2005). Towns Verifying the multi-dimensional nature of metropolitan land use: Advancing the understanding and measurement of sprawl. Journal of Urban Affair.
3. Denis, E. (1997). Urban planning and growth in Cairo. Middle East Report, 27(202).
4. Denis, E., & Sejourne, M. (2002). ISIS: Information system for informal settlements. Cairo: Ministry of Planning, GTZ, CEDEJ.
5. El-Hefnawi, A. (2005). Protecting agricultural land from urbanization or managing the conflict between informal urban growth while meeting the demands of the communities. Third urban research symposium on Land Development, Urban Policy and Poverty Reduction. Brasilia, DF, Brazil: World Bank Institute of Applied Economic Research (IPEA).