00491naa#a2200169#i#450# EN\\bibl\12961 20240517093317.5 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 rguts.editorum.ru