Trinh Thi, K.L. and Nguyen, H.T. 2022. Path tracking control for car-like robots by pid controller with time-varying parameters. VNUHCM Journal of Engineering and Technology. 5, 3 (Nov. 2022), 1642-1650. DOI:https://doi.org/https://doi.org/10.32508/stdjet.v5i3.961.