1. Rivers of Turkey;Akbulut,2009
2. Mean Monthly Flow Values of the Tigris River in the Period 2008–2009;Anonymous,2009
3. Mean Monthly Values of Temperature and Rainfall in Maden, Ergani, Diyarbakır, Batman and Cizre in the Period 2008–2009;Anonymous,2009
4. Standard Methods for Examination of Water and Wastewater;APHA,1999
5. Nonpoint pollution of surface waters with phosphorus and nitrogen;Carpenter;Ecological Applications,1998