Ziari Hassan and  Divandari Hassan and  Babagoli Rezvan and  Akbari Ali,  Influence of Bentonite Additive on Bitumen and Asphalt Mixture Properties.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2012, vol. 68(8). 629 - 634
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10846.