00521naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200007700094210004600171215001100217608002700228700003600255700003500291856002500326EN\\bibl\4160820240712173246.5##a2500-3372##a20201231b2020####ek#y0engy0150####ca##aRU1#aFactor Model of Labor Productivity in the Coal IndustryeJournal article1#aKemerovocKemerovo State Universityd2020##a10 с.##aJournal article2local#1aKharlampenkovgEvgeny Ivanovich#1aKudryashovagIrina Anatol'evna4#avestnik-hss.kemsu.ru