S. Mizhir Hasan and R. Ebada Sa’eed, “Large Campus Network Using hierarchical Model”, Iraqi Journal of Science, vol. 57, no. 3A, pp. 2043–2050, Mar. 2023, Accessed: Jul. 04, 2026. [Online]. Available: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9960