1-UNESCO (1971). Scientific framework of world water balance. Technical papers in hydrology, No.7. Paris. 27 p.
2-Sokolov, A. A. and Chapman, T. G.(1974). Methods for water balance computations , an international guide for research and practice . UNESCO press. Paris . 127 pp.
3- Lhomme, J. and Katerji, N.,(1991). A simple modelling of crop water balance for agrometeorological applications. Elsevier Science Publishers B.V., Amsterdam. Ecological Modelling, 57, 11-25pp.
4- Jawad, S.B., Abdulrazaq, M.I. and Ahmed, A.M. (2008). Transboundary aquifers between Iraq and neighboring countries. Ministry of Water Resources. Baghdad.Iraq.
5- Jawad, S.B., Naom, F.H., Zamil, H.I., Mohammad Ali, B. (2001). Hydrogeology of Groundwater aquifers in the Western Desert - West and Southwest of the Euphrates River. Ministry of Irrigation. Baghdad. Iraq.
6- Jawad, S.B. and Ridha, S.A. (2008). Assessment of groundwater resources in Iraq and management of their use. Ministry of Water Resources. Baghdad.Iraq.
7- Al-Sudani, H.I. Z. (2017). Hydrogeological study of Khan Al-Baghdadi area in Anbar Governorate - West of Iraq. Diyala Journal for Pure Sciences. 13 (2): 192-207.
8- Sissakian, V.K.; and Hafidh, S. Q., (1994). The Geology of the Haditha Quadrangle Sheet NI-38-5 Scale 1:250 000. Technical Report No. 2257. (GEOSURV) . Baghdad . Iraq. 24 page.
9- Sissakian, V.K.; and Salih, S.M., (1994). The Geology of the Ramadi Quadrangle Sheet NI-38-9 Scale 1:250 000. Technical Report No. 2315. (GEOSURV) . Baghdad . Iraq. 30 page.
10-Iraqi General Organization for Meteorological Information. (2010). Meteorological data of Hit meteorological station for the years (1995–2010). Internal Report. Ministry of Transportation. Baghdad. Iraq.
11-Ramadhan, A.A., Aljabbari, M., Alkubaisi, R., (2013), Evaluation of groundwater recharge in arid and semiarid regions/a case study of Dibdiba Formation in Karballa-Najaf plateau, Iraqi Journal of Science , Vol. 54, Issue. 4, pp. 902-910.
12-Domenico, P.A., and F.W. Schwartz. (1998). Physical and chemical hydrogeology, John Wiley and Sons. Inc., New York. 506 p.
13- Famiglitti , J.S.; Rudnicki , J.W.; and Rodell, M.,(1998) : Variability in Surface Moisture Content along a Hill Slope Transect . Journal of Hydrology . Rattlesnake Hill, Texas . No. 210 . PP : 259-81 .
14- Thornthwaite, C.W.(1948). An Approach toward a Relation Classification of Climate. Geographical Review. Vol. 32. 55, P.:3-30. Elsevier, Amsterdam.
15- Al-Sudani , H.I. (2003). Hyrogeological System of Debagah Basin In North of Iraq , Ph.D. Thesis , University of Baghdad, College of Science. (153) PP.
16- Doornbos , J., and Pruitte ,W.O.H. (1977). Guidelines for predicting crop water equipments. climatologically nomenclature .FAO , Rome .24 p.
17- Wilson, E.M. (1984). Engineering Hydrology. The Macmillian Press Ltd., London. Third edition. 232 P.
18- Ramadhan, A.A., (2004) Assessment of natural groundwater recharge using different techniques/ a case study of dibdiba aquifer in area of Karballa-Najaf, unpublished Ph.D. thesis, University of Baghdad/ College of Science/ Geology department.
19- Garg, S.K. (2013). Irrigation engineering and hydraulic structures . Khanna Publishers, 27th