Al-Billbassi, Khanda Ali, and Mushriq Fuad Kadhim Al-Shamaa. 2020. “Behavior of High Strength Hybrid Reinforcement Concrete Beams”. International Journal of Integrated Engineering 12 (7): 254-67. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/7268.