QASIM, M. A.; WARYOSH, W. A. Behavior of Concrete Beams encasing castellated Steel Sections with Different Opening Shapes. Engineering, Technology & Applied Science Research, Greece, v. 15, n. 2, p. 20635–20640, 2025. DOI: 10.48084/etasr.9389. Disponível em: https://etasr.com/index.php/ETASR/article/view/9389. Acesso em: 13 may. 2026.