00610naa#a2200169#i#450# EN\\bibl\17111 20250402052907.3 1999-5644 20170620b2017####ek#y0engy0150####ca RU Pages of history of Russian State University of Tourism and Service Journal article CHERKIZOVO Russian State University of Tourism and Service 2017 1 с. Journal article local Туристско-экскурсионное обслуживание. 71.37 grnti Kortunov Vadim Vadimovich vestnik-rguts.editorum.ru