WASET
    Chayanon Hansapinyo,  Buckling Performance of Irregular Section Cold-Formed Steel Columns under Axially Concentric Loading.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2015, vol. 101(5). 542 - 548
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/10001207.