Polyanskaya, Irina Gennadevna, Vera Vasilievna Yurak, and Vladimir Evgenievich Strovsky. “Considering Mining Wastes As a Factor of Increasing the Balance Level of Subsoil Management in Regions”. Economy of Regions 15, no. 4 (December 27, 2019): 1226–1240. Accessed April 24, 2026. https://economyofregions.org/ojs/index.php/er/article/view/1787.