1. https://www.mtholyoke.edu/~emwether/worldpolitics/images/nile-basin-map.gif
2. Zaghloul S, Elwan H (2011) Water quality deterioration of middle Nile delta due to urbanization expansion, Egypt. In: 15th international water technology conference, Alex., Egypt
3. Chapman D, Chapman DE (eds) (1996) Water quality assessments. A guide to the use of Biota, sediments and water in environmental monitoring, 2nd edn. Chapman and Hall, London
4. Mapfumo E, Willms W, Chanasyk D (2002) Water quality of surface runoff from grazed fescue grassland watershed in Alberta. Water Q Res J Canada 37(3):543–562
5. Ezzat SM, Mahdy HM, Abo-State MA (2012) Water quality assessment of River Nile at Rosetta branch: impact of drains discharge. Middle East J Sci Res 12(4):413–423