KOZICKI, B.; SKRABACZ, A.; GAŁEK, B.; LOREK, M. Multidimensional analysis of losses in the number of passengers transported by air in Poland and Germany caused by the COVID-19 pandemic in terms of the maintenance of economic security. Journal of Sustainable Development of Transport and Logistics, [S. l.], v. 8, n. 2, p. 58–70, 2023. DOI: 10.14254/jsdtl.2023.8-2.4. Disponível em: https://jsdtl.sciview.net/index.php/jsdtl/article/view/125. Acesso em: 26 jun. 2026.