WASET
    Abolghasem Yazdani and  Sara Pourjafar,  Optimization of Asphalt Binder Modified with PP/SBS/Nanoclay Nanocomposite using Taguchi Method.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2012, vol. 67(7). 538 - 542
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/2317.