Profillidis, Vassilios A., George N. Botzoris, and Athanasios T. Galanis. “Environmental Effects and Externalities from the Transport Sector and Sustainable Transportation Planning – A Review”. International Journal of Energy Economics and Policy 4, no. 4 (September 3, 2014): 647–661. Accessed April 18, 2024. https://www.econjournals.com/index.php/ijeep/article/view/868.