HAMAL, Y. Incidence économique d’une modification tarifaire dans le transport aérien. JORBEL - Belgian Journal of Operations Research, Statistics, and Computer Science, [S. l.], v. 6, n. 2, p. 27–44, 1965. Disponível em: https://www.orbel.be/jorbel/index.php/jorbel/article/view/49. Acesso em: 2 may. 2024.