WASET
    Zefry Darmawan and  Shigeyuki Haruyama and  Ken Kaminishi,  Implementation of ALD in Product Development: Study of ROPS to Improve Energy Absorption Performance Using Absorption Part.   journal   = {International Journal of Mechanical and Industrial Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2017, vol. 130(10). 1752 - 1756
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10008788.