00694naa#a2200205#i#450# EN\INFRA-M\bibl\51762 20241123035237.6 2306-1731 20220714b2022####ek#y0engy0150####ca RU Current Approaches to Positioning Educational Digital Platforms and Volunteer Organizations in Social Networks Journal article Moscow INFRA-M Academic Publishing LLC. 2022 4 с. Journal article local Демография. Социология. Статистика. 31 Moiseeva O. A. Filippova O. A. Fedotov A. V. Moiseev E. A. naukaru.ru