Kryeziu, F. U. ., S. . Abdushi, T. . Gjergji, F. . Mazreku, V. X. . Kryeziu, R. . Lipoveci, and N. . Hulaj. “Health Safety of Drinking Water in the Dragash Zone”. Health, Safety and Environment , vol. 1, no. 2, June 2013, pp. 53-60, https://sjournals.com/index.php/hse/article/view/411.