00562naa#a2200181#i#450# EN\\bibl\13961 /en/manage/index 20241115071907.5 2071-2367 20161031b2016####ek#y0engy0150####ca RUS RU Concept and operationalization of "social risk" definition in the reformation processes of higher education Journal article Moscow RANEPA 2016 6 с. Journal article local Melnikov Sergey test.editorum.ru /en/manage/index