LDR 00521naa#a2200169#i#450# 001 EN\\bibl\41608 005 20240712162839.5 011 ## _a2500-3372 100 ## _a20201231b2020####ek#y0engy0150####ca 102 ## _aRU 200 1# _aFactor Model of Labor Productivity in the Coal Industry _eJournal article 210 1# _aKemerovo _cKemerovo State University _d2020 215 ## _a10 с. 608 ## _aJournal article _2local 700 #1 _aKharlampenkov _gEvgeny Ivanovich 700 #1 _aKudryashova _gIrina Anatol'evna 856 4# _avestnik-hss.kemsu.ru _u