RUCIŃSKI , Andrzej; MADEJ , Konrad. Polish Air Transport Market in the Perspective of the Year 2030. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 4, n. 7, p. 7–38, 2016. DOI: 10.18559/SOEP.2016.7.2. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3476. Acesso em: 3 sep. 2026.