00617naa#a2200193#i#450# EN\INFRA-M\bibl\22607 /en/manage/index 20241211192550.3 2587-9111 20180830b2018####ek#y0engy0150####ca RUS RU Cost Operational Analysis of an Broadcasting Company Journal article Moscow INFRA-M Academic Publishing LLC. 2018 6 с. Journal article local Экономика. Экономические науки. 33 RUS Malyarevskaya L. A. test.editorum.ru /en/manage/index