1- Ibrahim, M., and Jagath, J. (2003). “Multi-criteria decision analysis with probabilistic risk assessment for the management of contaminated groundwater.” Environmental Impact Assessment Review, 23 (6), 683-721.
2- Adamat, R., Foster, I., and Baban, S. (2003). “Groundwater vulnerability and risk mapping for the Basaltic aquifer of the Arzaq basinof Jordanusing GIS, Remote sensing and DRASTIC.” Applied Geography, 23,303-324.
3- Mohammad, P., and Almasri, N. (2003). “Assessment of intrinsic vulnerability to contamination for Gazacoastal aquifer.” J. of Environmental Management, 68 (3), 315-328.
4- Deakc, J., Vargay, Z., Leonea, A., and Ripaa, M. (2004). “Vulnerability and risk evaluation of agricultural nitrogen pollution for Hungary’s main aquifer using DRASTIC and GLEAMS models.” J. of Environmental Management, 68 (3), 298-304.
5- Nobre, R., Rotunno, O. C., and Mansur, W. J. (2007). “Groundwater vulnerability and risk mapping using GIS, modeling and fuzzy logic tool.” J. of Contaminant Hydrology, 94, 277-292.
6- Babiker, S., Mohamed, A., Tetsuya, H., and Kikuo, K. A. (2005). “GIS-based DRASTIC model for assessing aquifer vulnerability in KakamigaharaHeights.” Science of the Total Environment, 345 (1-3), 127-140.
7- Tehran Regional Water Co. (2007). Groundwater report of Hashtgerd Aquifer,Tehran.
8- Rahman, A. (2007). “A GIS based DRASTIC model for assessing groundwater vulnerability in shallow aquifer in Aligrah, India.” Applied Geography, 28 (1), 32-53.