Pravdina , Natalya V., Irina V. Danilova, and Anzhela V. Karpushkina. “Regional Industrial Specialization As a Driver of Russia’s Industrial Sovereignty”. Economy of Regions 21, no. 4 (December 12, 2025): 945–962. Accessed April 4, 2026. https://economyofregions.org/ojs/index.php/er/article/view/1265.