00743naa#a2200193#i#450# EN\RIOR\bibl\130752 20260723233806.4 2409-6024 20260723b2026####ek#y0engy0150####ca RU Ensuring economic security of the enterprise based on risk management in the public procurement system Journal article Moscow Publishing Center RIOR 2026 8 с. Journal article local Экономическая политика. Управление и планирование в экономике. 338.2 Shindina Tatyana Alexandrovna Usatova Tatyana Mikhailovna Novokhatko Evgeny Alexandrovich riorpub.com