MARTÍN, Juan Carlos; ROMÁN, Concepción. Airlines and their Focus on Cost Control and Productivity. European Journal of Transport and Infrastructure Research, [S. l.], v. 8, n. 2, 2008. DOI: 10.18757/ejtir.2008.8.2.3337. Disponível em: https://journals.open.tudelft.nl/ejtir/article/view/3337. Acesso em: 18 apr. 2024.