WASET
    Noor Zainab Habib and  Ibrahim Kamaruddin and  Madzalan Napiah and  Isa Mohd Tan,  Rheological Properties of Polyethylene and Polypropylene Modified Bitumen.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2010, vol. 48(12). 381 - 385
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/10174.