Naji, Ayat, and Mushriq Fuad Kadhim. “Structural Performance of Double Castellated Steel Beams With Innovative Opening Configuration”. Engineering, Technology & Applied Science Research 15, no. 2 (April 3, 2025): 20616–20622. Accessed May 13, 2026. https://etasr.com/index.php/ETASR/article/view/9734.