Georgiev, E., Stankova, S., & Valcheva, I. (2026). ANALYSIS OF THE RESOURCE PROVISION AND TOURIST ATTRACTIVENESS OF THE NATURAL SITES IN THE VARBITSA REGION. Challenges of Tourism and Business Logistics in the 21st Century, 9(1), 210-213. https://doi.org/10.46763/YFNTS2691218g