Inna Blagoeva. "CLIMATE CHANGE AND TOURISM - SOME KEY ISSUES." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Energy and Clean Technologies (2020): 341-348. https://doi.org/10.5593/sgem2020/4.1/s19.043