00504naa#a2200169#i#450# EN\\bibl\12961 20240511201208.6 1995-042X 20161003b2016####ek#y0engy0150####ca RUS RU LABOR ACTIVITY OF STUDENTS AS A SOCIAL PROBLEM Journal article CHERKIZOVO Russian State University of Tourism and Service 2016 12 с. Journal article local Varlamova Anna service-rusjournal.editorum.ru