00720naa#a2200193#i#450# EN\INFRA-M\bibl\125814 20260705130716.7 2306-627X 20260615b2026####ek#y0engy0150####ca RU Tax Considerations within the Legal Regulation of Financial Security for Concession Agreements Journal article Moscow INFRA-M Academic Publishing LLC. 2026 5 с. Journal article local Бухгалтерия. Системы бухгалтерии. Бухгалтерские операции. 657.1 Ahmadeev Ravil' Gabdullaevich Morozova Tat'yana Viktorovna Ivanova T. A. zh-szf.ru