WASET
    R. Ziaie Moayed and  B. Mohammadi-Haji,  Circular Raft Footings Strengthened by Stone Columns under Static Loads.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2016, vol. 117(9). 1192 - 1196
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10005456.