00448naa#a2200157#i#450# EN\\bibl\51573 20250101191736.3 2500-3372 20220705b2022####ek#y0engy0150####ca RU Segmentation of Regional Tourist Flows Journal article Kemerovo Kemerovo State University 2022 13 с. Journal article local Pustovoytenko Svetlana Ivanovna naukaru.ru