DUHAIM, Hussein M., and Mohammed A. MASHREI. “Stress–strain Relationship of Ductile Materials and Flexural Behavior of Ductile over-Reinforced Concrete Beams”. Scientific Review Engineering and Environmental Sciences (SREES) 31, no. 4 (October 25, 2022): 225–237. Accessed April 26, 2024. https://srees.sggw.edu.pl/article/view/4253.