00529naa#a2200181#i#450# EN\\bibl\11533 20240512205823.7 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 rguts.editorum.ru