Kocsis, Dénes, Gábor Bellér, Judit T. Kiss, and István Árpád. “Current Challenges in the Regulation of CO2 Emission of Road Vehicles”. International Journal of Engineering and Management Sciences 5, no. 1 (April 14, 2020): 738–742. Accessed November 24, 2024. https://ojs.lib.unideb.hu/IJEMS/article/view/5704.