Rooppakhun, Supakit, and Jakkree Wichairahad. “The Strength Analysis of a Bus Superstructure Based on the Accuracy Improvement of T-Junction Flexible Joint Stiffness”. International Journal of Engineering & Technology, vol. 7, no. 3.24, Aug. 2018, pp. 62-67, https://doi.org/10.14419/ijet.v7i3.24.17302.