WASET
    Ashkan Shafee and  Masoud Ghodrati and  Ahmad Fahimifar,  Numerical Investigation on Load Bearing Capacity of Pervious Concrete Piles as an Alternative to Granular Columns.   journal   = {International Journal of Geotechnical and Geological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2018, vol. 139(7). 501 - 507
    [viewed 08 May 2024]. Available from: https://publications.waset.org/pdf/10009285.