Korshunov, Lev Aleksandrovich, and Nikolay Mikhailovich Nikonov. “Network Interactions in the Great Altai Region”. Economy of Regions 13, no. 4 (November 27, 2017): 1123–1137. Accessed June 4, 2026. https://economyofregions.org/ojs/index.php/er/article/view/2043.