KOLPINA, L.V. SOCIAL ACTIVISM OF THE ELDERLY POPULATION OF THE BELGOROD REGION. Среднерусский вестник общественных наук, [S. l.], v. 13, n. 2, p. 37–49, 2018. DOI: 10.22394/2071-2367-2018-13-2-37-49. Disponível em: https://sredneruss-vestnik.owebs.ru/article/view/29814. Acesso em: 8 nov. 2026.