RIGAS, K.; SAMBRACOS, E.; GATZOLI, A. Air and sea transport: Competition strategies under normal and economic crisis environments. SPOUDAI Journal of Economics and Business, [S. l.], v. 61, n. 3-4, p. 65–84, 2011. Disponível em: https://spoudai.org/index.php/journal/article/view/267. Acesso em: 25 nov. 2024.