00535naa#a2200157#i#450# EN\\bibl\103142 20260307222615.6 2782-4799 20251222b2025####ek#y0engy0150####ca RU Demographic Agenda on Government Social Media Accounts: Novgorod Regional Administration on VKontakte Social Network Journal article Kemerovo Kemerovo State University 2025 8 с. Journal article local Sumarokova Ekaterina Igorevna vestnik-pses.kemsu.ru