00465naa#a2200169#i#450# EN\\bibl\14975 20251219030004.5 2071-2367 20161229b2016####ek#y0engy0150####ca RUS RU Development of voluntary youth movement in the regional dimension Journal article Moscow RANEPA 2016 5 с. Journal article local Sycheva Anastasiya zh-szf.ru