00645naa#a2200181#i#450# EN\RIOR\bibl\92740 20250124032848.5 2500-1469 20241228b2024####ek#y0engy0150####ca RU Unitary enterprises in the system of economic provision of national security Journal article Moscow Publishing Center RIOR 2024 8 с. Journal article local Экономика. Народное хозяйство. Экономические науки. 33 Litvinenko Aleksander Nikolaevich Lozina Yuliya Aleksandrovna zh-szf.ru