Affiliation: | 1. Varna University of Management, 13A Oborishte Str., 9000 Varna, Bulgaria;2. Zangador Ltd., 9010 Varna, Bulgaria;3. BA (Hons) International Hospitality Management Programme Graduate, Department of Tourism, Varna University of Management, 13A Oborishte Str., 9000 Varna, Bulgaria |