1-Ibrahim Sherif, soil formation, distribution of types and maintenance, University Culture Foundation, Alexandria, 1960 .
2-al-bataihi, Abdul Razzaq Mohammed, patterns of Agriculture in Iraq, extension press, Baghdad, 1976 .
3-Al-Barazi, Nuri Khalil, and Ibrahim Abdul-Jabbar al-Mashhadani, agricultural geography, 2nd floor, Ministry of higher education and scientific research, 2000 .
4-Amna Jabbar Matar Darwish, elements of sustainable agricultural development in Anbar Governorate, PhD thesis, University of Anbar, 2013, (unpublished ) .
5-Hamid Nashat Ismail, Hakim Karim Aziz, land varieties for the Tigris-Euphrates and western desert basins projects, Euphrates Center for the study and design of irrigation projects, Report (5), November, 1992 .
6-Daham hanoush Hamad Al-Fahdawi, western plateau in Anbar province a study in the development of dry areas, PhD thesis, University of Baghdad, 1996, (unpublished ) .
7-Robert Cassin, population and development, translated by Ali Hajjaj, Vol. 1, Dar al-Bashir publishing and distribution, Amman, 2001 .
8-Saleh Ali Abdul Rahman Al-Shamrani, the role of the components of agricultural production in agricultural development in the Al-Jouf region in the kingdom of Saudi Arabia, Journal of the Kuwaiti Geographical Society, April, 1998 .
9-Abdulilah Razzuki karbel, Geomorphology, Iraqi Ministry of higher education and scientific research, Basra, Ibn al-Athir printing and publishing house, Mosul, 2005 .
10 –Al.Taie , F , H , 1968 . Soil and Association map of Iraq ministry of agriculture , Baghdad , Buring , Soil Condition in Iraq .ministry of Agriculture , Baghdad .
11 – Arthur N . Strahler , Alan H . strahler , Elements of physical geography , 3rd Edition , John Wily and sons , New York , Chester Brisbane Toronto , Singapore , 1984 .