1. Hassan, F. (2010). Water History for Our Times, IHP Essays on Water History No. 2, UNESCO. International Hydrological Programme.
2. Juuti, P.S., Katko, T., and Vuorinen, H. (2007). Environmental History of Water, IWA Publishing.
3. Global and Regional Water Availability and Demand: Prospects for the Future;Sophocleous;Nat. Resour. Res.,2004
4. UN Logo Department of Economic and Social Affairs, and Population Division (2017). World Population Prospects: The 2017 Revision, Methodology of the United Nations Population Estimates and Projections, United Nations. Working Paper No. ESA/P/WP. 250.
5. UN (2023). The United Nations World Water Development Report 2023: Partnerships and Cooperation for Water, United Nations.