[1]
“A Study Of Strengthening Circular Diaphragm By Ring-Shaped Concentric Ribs”, alkej, vol. 2, no. 1, pp. 15–34, Dec. 2017, Accessed: Nov. 05, 2024. [Online]. Available: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/2