00480naa#a2200169#i#450# EN\\bibl\3416 20241118195428.1 1999-5644 20140902b2014####ek#y0engy0150####ca RUS RU Reflecting on tourist systems development Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 7 с. Journal article local Sarancha Mikhail naukaru.ru