Trotskovsky Александр Яковлевич, and Sabyna Александр Яковлевич. “Spatial Economic Integration and Its Mechanisms in the Works of Russian Regionalists: A Descriptive Review”. Economy of Regions 21, no. 2 (June 30, 2025): 249–267. Accessed July 1, 2025. https://economyofregions.org/ojs/index.php/er/article/view/1023.