00640naa#a2200181#i#450# EN\INFRA-M\bibl\51052 /en/manage/index 20250127111146.1 2587-9111 20220624b2022####ek#y0engy0150####ca RU Construction and Analysis of the Operating Leverage Curve Journal article Moscow INFRA-M Academic Publishing LLC. 2022 5 с. Journal article local Экономика. Народное хозяйство. Экономические науки. 33 Averina Tatyana Nikolaevna fht.editorum.ru /en/manage/index