Ahmadi, F. Ranjbar, H. (2012). Dehgolan Aquifer's water table declination assessment using GIS, 31th national geoscience. (In Farsi)
Al – Adamat, R. Foster, I. and Baban, S. (2003). Groundwater vulnerability and risk mapping for the basaltic aquifer of the Azraq basin of Jordan using GIS, remote sensing and DRASTIC. Applied Geography, 23,303-324
Aller, L. Benet, T. Lehr, J. Petty, R. and Hacket, G. (1987). Drastic: A standardized system for hydrogeologic settings (EPA- 60012-87-035) US EPA, Washington DC
Atiqur, R. (2008). A GIS based DRASTIC model for assessing groundwatervulnerability in shallow aquifer in Aligarh, India. Applied Geography.
Almasari, M.N. (2008). Assessment of intrinsic vulnerability to contamination for Gaza Coastal aquifer, Palestine
Babiker, S. Mohamad, A. Hiyama, T. and Kato, K. (2005). A GIS- based DRASTIC model for assessing aquifer vulnerability in Kakamigahara Height, Gifu Prefecture, Central Japan. Science of the Total Environment, 345, 127-140
Bazrafshan, J. Hejabi, S. and Rahimi, J. (2014). Drought monitoring using the multivariate standardized precipitation index (MSPI). Water Resour Manage. 28, 1045-1060.
Babaei, Gholamreza, Feyzi, Avat. (2005). Classification of provinces based on population and health indicators by using fuzzy clustering statistical techniques, Hakim journal, No: 4, Tehran.
Evans, B.M. and Myers, W.L. (1990). A CIS-based approach to evaluating regional groundwater pollution potential with DRASTIC. Journal of Soil and Water Conservation. 242-245.
Fritch, T.G. Mcknight, C.L. Yelderman, J.C. and Arnold, J.G. (2000). An aquifer vulnerability assessment of the paluxy aquifer, Central Texas, USA, Using GIS and a modified DRASTIC approach. Environment Management, 25, 337-345.
Hutcheson, G. and Nick, S. (1999). The multivariate social scientist: Introductory statistics using generalized linear models, thousand oaks, CA: sage publications.
Khodaei, K. (2003). Intrinsic groundwater vulnerability mapping with concerning pollutants in Jovin plane using DRASTIC and GODS models. Khorasan Water Resources Company. (In Farsi)
Khodaei, k. Shahsavari, B. and Etebari, B. (2007). Aquifer vulnerability assessment methods, GOD and DRASTIC, Iran. J. Geol. 4, 73-87. (In Farsi)
Kovacs, F. Legany, C. and Babos, A. (2005). Clast validity measurement techniques. In 6th international symposium of Hungarian Researchers on Computational Intelligence . Citeseer.
McCoy, J. Johnston, K, (2002). Using ArcGIS Spatial Analyst. Esri Tutorial Help.
Mohades, F. (2010). Principal component analysis method and factor analysis, a case study: dereviation of capital costs index and its effects on inflation. Economics research series
, 41. (In Farsi)
Mahmodi, S. Fathi, P. Ebrahimi, M. (2010). Intelligent prediction of Dehgolan aquifer salinity using artificial neural networks. 4th national conference of water resources management. (In Farsi)
Nasir, M.F.M. Samsudin, M.S. Mohamad, I. Awaluddin, M.R.A. Mansour, M.A. Juahir, H. Ramli,N. (2011). River water quality modeling using combined principle component analysis (PCA) and multiple linear regressions (MLR): A case study at Klang River, Malaysia. World Applied Sciencss Journal, 73-82.
National Academies Press. (1993). Ground Water Vulnerability Assessment.
Piscopo, G. (2001). Groundwater vulnerability map, explanatory note, Castlereagh Catchment, NEW, Department of Land and Water Conservation. Australia.
Rahman, A. (2008). A GIS based DRASTIC for assessing ground water vulnerability in shallow aquifer in Aligarh, India, Applied Geography, 28, 32-53.
Secunda, S. Collin, M. and Mellou, A.J. (1998). Groundwater vulnerability assessment using a composite model combining DRASTIC with extensive land use. Environmental Management, 54, 39-57.
Thareja, S. Choudhury, S. and Trivedi, P. (2011). Assessment of water quality of Ganga River in Kanpur by using principal components analysis, 2(5), 84-91.
Wang, Y. wang, P. Bai, Y. Tian, Z. Li, J. Shao, X. Mustavich, L.F. Li, B.L. (2013). Assessment of surface water quality via multivariate statistical techniques: A case study of the Songhua River Harbin region, China, Journal of Hydro-environment Reaearch, 7, 30-40.