00542naa#a2200181#i#450# EN\\bibl\11533 20251216054339.2 1995-042X 20160516b2016####ek#y0engy0150####ca RUS RU Socio-cultural differentiation of youth in tourism Journal article CHERKIZOVO Russian State University of Tourism and Service 2016 8 с. Journal article local Gozalova Marina Seredina Mariya service-rusjournal.editorum.ru