MARTYNIAK, Kamil. Threats posed by serious and organised crime for the safety and security of tourism in Poland. Scientific Journal of Bielsko-Biala School of Finance and Law, Bielsko-Biała, PL, v. 24, n. 2, p. 32–36, 2020. DOI: 10.5604/01.3001.0014.3292. Disponível em: https://asej.eu/index.php/asej/article/view/420. Acesso em: 25 apr. 2024.