WASET
    Shigeyuki Haruyama and  Zefry Darmawan and  Ken Kaminishi,  Study on Bending Characteristics of Square Tube Using Energy Absorption Part.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2017, vol. 124(4). 890 - 896
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10007735.