Emelyanov, Anton Andreevich, Natalya Removna Kelchevskaya, and Irina Sergeevna Pelymskaya. “Assessment of Competitiveness of Regional Mining and Metallurgical Clusters”. Economy of Regions 16, no. 1 (March 30, 2020): 213–227. Accessed April 24, 2026. https://economyofregions.org/ojs/index.php/er/article/view/1744.