Sapiee, M. R., M. H. M. Marhaban, M. F. Miskon, and A. J. Ishak. 2020. “Walking Simulation Model of Lower Limb Exoskeleton Robot Design”. Journal of Mechanical Engineering and Sciences 14 (3):7071-81. https://doi.org/10.15282/jmes.14.3.2020.09.0554.