Agarkov, Gavriil Aleksandrovich, and Anastasiya Yevgenyevna Sudakova. “Russian Consumer Sector: Methodology of Evaluation”. Economy of Regions 11, no. 4 (December 28, 2015): 238–248. Accessed June 17, 2026. https://www.economyofregions.org/ojs/index.php/er/article/view/2262.