00500naa#a2200169#i#450# EN\\bibl\4736 20241119020818.2 1995-042X 20141210b2014####ek#y0engy0150####ca RUS RU Adaptation of hotels to changes in competitive environment Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 0 с. Journal article local Cherkasova Antonina naukaru.ru