LDR 00507naa#a2200169#i#450#
001     EN\INFRA-M\bibl\6712
005     20240821172729.3
011 ## _a1998-0701
100 ## _a20131017b2013####ek#y0engy0150####ca
101 0# _aRUS
102 ## _aRU
200 1# _aProfitability marginal profit in the system marginal analysis of the economic subject
       _eJournal article
210 1# _aMoscow
       _cINFRA-M Academic Publishing LLC.
       _d2013
215 ## _a3 с.
608 ## _aJournal article
       _2local
700 #1 _aSmirnova
       _gYu. 
856 4# _anaukaru.ru
       _u