WASET
    Saruhan Kartal and  Ilker Kalkan,  First Cracking Moments of Hybrid Fiber Reinforced Polymer-Steel Reinforced Concrete Beams.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2019, vol. 153(9). 527 - 533
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10010713.