Mahmoud Y.Zaghlal, Rahma E. EL- Daly, H. E. A.-E.-M. L. A. A.-N. (2021). Effect of Openings on Concrete Slabs Reinforced by Fiber Polymer Bars. Design Engineering, 4217-4231. Retrieved from http://www.thedesignengineering.com/index.php/DE/article/view/5367