“Study the Hardness and Some Ions in Central Karbala Drinking Water Treatment Station”, Iraqi Journal of Science, vol. 56, no. 2B, pp. 1331–1342, Apr. 2023, Accessed: Nov. 25, 2024. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10097