A. . A. Rammadhan, K. . B. Nada, and B. . A. Jassam, “Variation of Residual Chlorine Concentration in Some Regions of Al_Rassafa”, Iraqi Journal of Science, vol. 57, no. 2C, pp. 1436–1444, Jun. 2022, Accessed: Jun. 24, 2026. [Online]. Available: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7141