Samani, S. ., A. A. Moghaddam, M. . Vadiati, and Z. N. Jahromi. “Use of Water Quality Index and Geographical Information System to Assess Groundwater Quality”. Agricultural Advances, vol. 3, no. 5, May 2014, pp. 159-6, http://sjournals.com/index.php/aa/article/view/710.