WASET
    Romel N. Georgees and  Rayya A Hassan and  Robert P. Evans and  Piratheepan Jegatheesan,  Strength and Permeability of the Granular Pavement Materials Treated with Polyacrylamide Based Additive.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 110(2). 181 - 186
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10003539.