Mityakov , Evgenii S., and Sergey N. Mityakov. “Methodological Approach to the Efficiency Analysis of Regional Industrial Ecosystems”. Economy of Regions 20, no. 3 (September 30, 2024): 836–850. Accessed April 9, 2026. https://www.economyofregions.org/ojs/index.php/er/article/view/717.