VALCHEVA, Ivalena; STANKOVA, Svetla; KERANOVA-VALCHEVA, Ivelina. PROVADIA: NEW HORIZONS FOR THE DEVELOPMENT OF ALTERNATIVE TOURISM. Challenges of Tourism and Business Logistics in the 21st Century, [S. l.], v. 8, p. 242–252, 2025. DOI: 10.46763/YFNTS2581242vg. Disponível em: https://js.ugd.edu.mk/index.php/YFNTS/article/view/7494. Acesso em: 17 sep. 2026.