Филипова, А. Г., О. Г. Зубова, and А. А. Ипполитова, “Trends in the Development of Volunteering As a Social Institute: Expert Opinion”, Социология, Power and Administration in the East of Russia, 15/4 (2022), https://doi.org/10.22394/1818-4049-2022-101-4-191-201.