Kuklina, Lyudmila Nikolaevna, Nadezhda Semenovna Necheukhina, and Olga Valeryevna Mustafina. “Competitiveness of Various Segments of the Regional Consumer Market”. Economy of Regions 14, no. 3 (September 9, 2018): 836–850. Accessed May 28, 2026. https://www.economyofregions.org/ojs/index.php/er/article/view/1932.