NAGY , D.; SPIEGLER , P. Development of The Security Situation of the Danube Countries and its Effect on Danube Cruise Turism. Tourism and Rural Development Studies, [S. l.], v. 7, n. 4, 2023. DOI: 10.15170/TVT.2022.07.04.05. Disponível em: https://journals.lib.pte.hu/index.php/tvt/article/view/6176. Acesso em: 22 jul. 2024.