Zyrianov A, Korolev A, Myshlyactceva S, Safaryan A. ECOLOGICAL TOURISM FEATURES AND PERSPECTIVES IN THE URAL AND IN THE PERM KRAI. Proc. YSU C: Geol. Geogr. Sci. [Internet]. 2016 Dec. 19 [cited 2024 Nov. 21];50(3 (241):47-55. Available from: https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol50_no3_2016_pp047-055