1- Israel, Glenn D. 1992. Sampling The Evidence Of Extension Program Impact. Program Evaluation and Organizational Development, IFAS, University of Florida. PEOD-5. October.
2-Ahmed Sousa, the Euphrates valley and the Habbaniya project, government press, Baghdad, 1944,.
3-listcouncil het, unpublished data.2019 ad
4-Fathi Mohamed Moslehi, geography of services, (theoretical framework and Arab experiences), Faculty of Arts, Menoufia University, Egypt, 2001,
5-Lilian Ahmed dalala, urban planning and Crime Prevention ,journal of Tishreen University for research and scientific studies , series of Engineering Sciences ,volume (39)Count d(1) , 2017.
6-Latif Khudair Latif anbaki, spatial analysis of human deprivation of infrastructure services, in the Centers of the districts of Najaf ,unpublished doctoral thesis, Faculty of Arts , Department of Geography, University of Kufa,2018.
7-Anbar health department, hit General Hospital, unpublished data, 2019
8-Anbar health department, hit General Hospital, previous source,unpublished data, 2019.
9-Muntaser Ibrahim Abdul Ghani, Talal Yousef Al Awadhi, spatial variation of deprivation levels in the Sultanate of Oman ,Journal of Arts and Social Sciences, King Qaboos University,2014,.