Yefimov, Vladimir Maksovich. “Two Diputes of Methods, Three Constructivisms, and Three Liberalisms Part II ”. Economy of Regions 11, no. 2 (June 25, 2015): 72–84. Accessed June 17, 2026. https://www.economyofregions.org/ojs/index.php/er/article/view/2326.