00500naa#a2200181#i#450# EN\\bibl\15504 20240828203037.3 2071-2367 20170228b2017####ek#y0engy0150####ca RUS RU Methodological approaches to the analysis of the youth protest activity Journal article Moscow RANEPA 2017 8 с. Journal article local Merkulov Pavel Prokazina Natalya naukaru.ru