M. H. J. Al –Atia, “Effect of Calcium Hardness on Corrosion Rate of Domestic Water Galvanized Steel Pipes”, NJES, vol. 18, no. 1, pp. Ar_45 – 53, Jan. 2015, Accessed: Nov. 23, 2024. [Online]. Available: https://nahje.com/index.php/main/article/view/170