Tabatabaei, Javad, et al. “Assessment of Toxic Heavy Metal Concentration and Their Changes in Zayande-Rood River, Isfahan, Iran”. International Journal of Bio-Resource and Stress Management, vol. 1, no. Sep, 2, Sept. 2010, pp. 125-7, https://www.ojs.pphouse.org/index.php/IJBSM/article/view/71.