Mask-Wearing Behavior Among Older Persons: Regional Differences in Europe. London Journal of Research In Science: Natural and Formal, [S. l.], v. 24, n. 5, p. 53–62, 2024. Disponível em: https://testing.journalspress.uk/index.php/LJRS/article/view/666. Acesso em: 4 feb. 2026.