Fadhel, Muhaned, and Wissam AlSaraj. “Steel Tubes Filled by Concrete Under Flexural and Compression: A Review”. Al-Rafidain Journal of Engineering Sciences 3, no. 1 (April 13, 2025): 530–555. Accessed May 23, 2025. https://rjes.iq/index.php/rjes/article/view/172.