COTO MILLÁN, Pablo; GUNDELFINGER, Javier. Market structure and “frequency economics” in air transport in the United States. UNIE Business Research, [S. l.], v. 8, n. 3, p. 253–267, 2019. DOI: 10.3926/hdbr.241. Disponível em: https://unieresearch.universidadunie.com/ubr/article/view/241. Acesso em: 29 sep. 2026.