KOZLOVA, Olga A.; PROVOROVA , Anna A.; GUBINA , Olga V. Assessment of the Demographic Reserve to Extend the Economic Activity of the Older Population in the Northern Region. Economy of Regions, [S. l.], v. 19, n. 3, p. 729–740, 2023. DOI: 10.17059/ekon.reg.2023-3-9. Disponível em: https://economyofregions.org/ojs/index.php/er/article/view/532. Acesso em: 20 apr. 2026.