WASET
    Thomas Jin-Chee Liu and  Jin-Wei Liang and  Wei-Long Chen and  Teng-Hui Chen ,  Finite Element Analysis of Composite Frames in Wheelchair under Upward Loading.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2014, vol. 85(1). 1 - 6
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/9996990.