GEORGIEVA, D. V. .; BANKOVA, D. . SECURITY AND SAFETY OF TOURISTS AS A FACTOR FOR SUSTAINABLE TOURISM, BASED ON THE EXAMPLE OF BULGARIAN BLACK SEA RESORTS. Proceedings of CBU in Economics and Business, [S. l.], v. 2, p. 48-54, 2021. DOI: 10.12955/peb.v2.254. Disponível em: https://ojs.cbuic.cz/index.php/peb/article/view/254. Acesso em: 5 may. 2026.