Polina Drygval. "GEOENVIRONMENTAL PARAMETERS OF THE TOURIST ECOLOGICAL ROUTE (ON THE EXAMPLE OF THE KARADAG NATURAL RESERVE)." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Ecology, Economics, Education and Legislation, 2019, pp. 411-418. https://doi.org/10.5593/sgem2019/5.2/s20.051