Zhumbei M. “THE GREAT EIGHT” AS A COMPETENCY MODEL FOR TOUR GUIDES. ΛΌГOΣ [Internet]. 2022 Aug. 19 [cited 2026 Mar. 21];(August 12, 2022; Zurich, Switzerland):147-8. Available from: https://archive.logos-science.com/index.php/conference-proceedings/article/view/283