Raad, Haider, and Ali Sabah. “The Behavior of Punching Shear Strength on Geo-Polymer Concrete Circular Slabs With Openings: A Review”. Al-Rafidain Journal of Engineering Sciences 3, no. 1 (December 23, 2024): 42–64. Accessed March 21, 2025. https://rjes.iq/index.php/rjes/article/view/136.