HUNGARY, I. S. Airline Economics – Planning and Key Performance Indicators Practical Guide for Students. Journal of Applied Business and Economics, [S. l.], v. 23, n. 3, 2021. DOI: 10.33423/jabe.v23i3.4339. Disponível em: https://articlegateway.com/index.php/JABE/article/view/4339. Acesso em: 19 may. 2024.