00478naa#a2200169#i#450# EN\\bibl\11357 20260130001637.5 2225-8272 20160328b2016####ek#y0engy0150####ca RUS RU Features of sociological analysis of protest actions of youth public organizations Journal article Moscow RANEPA 2016 5 с. Journal article local Kostenko Valeriy naukaru.ru