Social and economic benefits of cultural heritage tourism in the city of Shumen. Research Announcements "Heritage BG", [S. l.], n. 5, p. 54–65, 2025. DOI: 10.58894/AR-HBg.2023.5.54-65. Disponível em: https://periodicals.uni-sofia.bg/index.php/AR-NBg/article/view/1340. Acesso em: 10 mar. 2026.