LDR 00498naa#a2200169#i#450#
001     EN\INFRA-M\bibl\3325
005     20241224165906.2
011 ## _a2305-7807
100 ## _a20140815b2014####ek#y0engy0150####ca
101 0# _aENG
102 ## _aRU
200 1# _aHistorical Transformation of the «Labour Efficiency» Scientific Category
       _eJournal article
210 1# _aMoscow
       _cINFRA-M Academic Publishing LLC.
       _d2014
215 ## _a3 с.
608 ## _aJournal article
       _2local
700 #1 _aGrechnikova
       _gS. 
856 4# _anaukaru.ru
       _u