DEMIDOVA, O. Convergence of Russian Regions: Different Patterns for Poor, Middle and Rich. Economy of Regions, [S. l.], v. 17, n. 4, p. 1151–1165, 2021. DOI: 10.17059/ekon.reg.2021-4-8. Disponível em: https://www.economyofregions.org/ojs/index.php/er/article/view/81. Acesso em: 21 may. 2024.