WASET
    H. Al-Baghli,  Characterization and Design of a Crumb Rubber Modified Asphalt Mix Formulation.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2020, vol. 158(2). 69 - 73
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10011062.