Yuaningsih, Lilis, R. Adjeng Mariana Febrianti, and Munawar Javed Ahmad. “Examining the Factors Affecting CO2 Emissions from Road Transportation in Malaysia”. International Journal of Energy Economics and Policy 11, no. 6 (November 3, 2021): 152–159. Accessed June 17, 2024. https://www.econjournals.com/index.php/ijeep/article/view/10957.