Fedorova, Elena Anatolyevna, Bella Kemalovna Korkmazova, and Maxim Aleksandrovich Muratov. “Spillover Effects of The Russian Economy: Regional Specificity”. Economy of Regions 12, no. 1 (March 21, 2016): 139–149. Accessed June 17, 2026. https://www.economyofregions.org/ojs/index.php/er/article/view/2242.