Volkov, V., L. Horoshkova, and Y. Khlobystov. “Management of Sustainable Mining of Coal Resources in Ukraine”. Visnyk of Taras Shevchenko National University of Kyiv. Geology 4, no. 87 (December 25, 2019): 37–45. Accessed October 2, 2026. https://geology.bulletin.knu.ua/en/article/view/1220.