00519naa#a2200169#i#450# EN\\bibl\5519 20240514082602.2 1995-042X 20141224b2014####ek#y0engy0150####ca RUS RU Global trends of development of services in the post-industrial society Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 9 с. Journal article local Avetisyan Meruzhan rguts.editorum.ru