00526naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200009700094210004600191215001200237608002700249700002100276700003800297856002100335EN\\bibl\5157820241103184048.7##a2500-3372##a20220705b2022####ek#y0engy0150####ca##aRU1#aLabor Productivity of Miners at Open Pits  and Mines of the Kemerovo RegioneJournal article1#aKemerovocKemerovo State Universityd2022##a-95 с.##aJournal article2local#1aBatievskayagV B#1aSokolovskiygMihail Vladimirovich4#ajcenter.kemsu.ru