Elhozayen, Aya, Mohamed Y. Laissy, and Walid A. Attia. “Investigation of High-Velocity Projectile Penetrating Concrete Blocks Reinforced by Layers of High Toughness and Energy Absorption Materials”. Civil Engineering Journal 5, no. 7 (July 18, 2019): 1518–1532. Accessed September 21, 2025. https://civilejournal.org/index.php/cej/article/view/1420.