ABD ALKAREM, Saja Taji; AL-ASADI, Ali K. Effect of Crimped Steel Fiber Ratios on Punching Shear Strength of Lightweight Concrete Slabs. Samarra Journal of Engineering Science and Research, [S. l.], v. 2, n. 4, p. 24–41, 2025. DOI: 10.65115/9f4gtt73. Disponível em: https://journals.uosamarra.edu.iq/sjesr/article/view/64. Acesso em: 19 jun. 2026.