Tagaeva, Tatiana Olegovna, Vadim Manavirovich Gilmundinov, and Lidiya Kuzminichna Kazantseva. “Ecological Situation and Environmental Protection Policy in Russian Regions”. Economy of Regions 12, no. 1 (March 21, 2016): 78–92. Accessed June 17, 2026. https://www.economyofregions.org/ojs/index.php/er/article/view/2248.