1. Abdulrazzak, M. (2003). Water harvesting practices in selected countries of the Arabian Penisula. Conference on water harvesting and the future development, Khartoum, Sudan, 19–20 August 2003.
2. African Development Bank. (2010). Assessment of best practices and experience in water harvesting: Rainwater harvesting handbook (75 pp.). ADB, Cote d’Ivoire, Open File Rep.
3. Awawdeh, M., Al-Shraideh, S., Al-Qudah, K., & Jaradat, R. A. (2012). Rainwater harvesting assessment for a small size urban area in Jordan. International Journal of Water Resources and Environmental Engineering, 4, 415–422.
4. Ballerine, C. (2017). Topographic Wetness Index, Urban Flooding Awareness Act, action support: Will and DuPage Counties, Illinois. Contract report 2017-02, April 2017, Illinois state. https://www.ideals.illinois.edu/handle/2142/98495. Accessed 5 Jan 2021.
5. Bernal, V. (1997). Colonial moral economy and the discipline of development: The Gezira Scheme and “Modern” Sudan. Cultural Anthropology, 12(4), 447–479. https://doi.org/10.1525/can.1997.12.4.447