JIMENEZ GOMEZ, P. P. Marginal Cost in Private and Public Transport. Cognitive Sustainability, Budapest, Hungary, v. 2, n. 1, 2023. DOI: 10.55343/cogsust.46. Disponível em: http://cogsust.com/index.php/real/article/view/46. Acesso em: 8 may. 2024.