STEINER, Sanja; GALOVIĆ, Borivoj; RADAČIĆ, Željko. Strategic Framework of Air Traffic Development. Promet - Traffic&Transportation, [S. l.], v. 20, n. 3, p. 157–167, 2008. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2268. Acesso em: 26 aug. 2025.