LDR 00588naa#a2200169#i#450# 001 EN\INFRA-M\bibl\51052 005 20241211193049.3 011 ## _a2587-9111 100 ## _a20220624b2022####ek#y0engy0150####ca 102 ## _aRU 200 1# _aConstruction and Analysis of the Operating Leverage Curve _eJournal article 210 1# _aMoscow _cINFRA-M Academic Publishing LLC. _d2022 215 ## _a5 с. 608 ## _aJournal article _2local 675 ## _aЭкономика. Народное хозяйство. Экономические науки. 33 _z 700 #1 _aAverina _gTatyana Nikolaevna 856 4# _anaukaru.ru _u