Tuluk, B., F. Kayserili Orhan, and K. Kasali. “An Investigation on Physical, Chemical and Microbiological Quality of Drinking Water in Erzurum City”. Annals of Medical Research, vol. 24, no. 1, May 2021, pp. 0025-30, http://www.annalsmedres.org/index.php/aomr/article/view/2160.