LEVINA, Vera V. Social changes in the human capital of Russian elderly citizens in labor activities. Management Issues, [S. l.], v. 62, n. 1, p. 33–46, 2020. DOI: 10.22394/2304-3369-2020-1-33-46. Disponível em: https://voprosy-upravleniya.owebs.ru/article/view/24844. Acesso em: 9 nov. 2026.