Чепрас, Наталья Георгиевна, and Наталия Борисовна Костина. “MANAGEMENT SYSTEM EVALUATION IN TOURISM SECTOR BY CONSUMERS (ON DATA COLLECTED IN SVERDLOVSK REGION AND PERM KRAI)”. Социум и власть 40, no. 2 (February 15, 2013): 33–38. Accessed November 8, 2026. https://socium-vlast.owebs.ru/article/view/27921.