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APA Citation
Fatkulina, A. V., Konokotin, D. N., Koroleva, L. A., Salov, S. M., & Samoylenko, D. V. (2021). environmental problems in the coal mining industry in Russia. IOP conference series, 867(1), . http://access.bl.uk/ark:/81055/vdc_100145505972.0x00003e