Edrees Saaed, Tarek, and Nuha Hemedy Al-Jubory. “Effect of Spans Length on Structural Design of Multi Story Buildings”. Al-Rafidain Engineering Journal (AREJ) 19, no. 4 (August 28, 2011): 40–62. Accessed September 7, 2025. https://jamh.uomosul.edu.iq/index.php/arej/article/view/31433.