KARELINA, Maria Gennadyevna. Empirical Analysis of the Integration Activity of Business Structures in the Regions of Russia. Economy of Regions, [S. l.], v. 11, n. 4, p. 54–68, 2015. DOI: 10.17059/2015-4-5. Disponível em: https://www.economyofregions.org/ojs/index.php/er/article/view/2275. Acesso em: 17 jun. 2026.