00658naa#a2200181#i#450# EN\\bibl\113534 20260406234827.1 2221-3260 20260228b2026####ek#y0engy0150####ca RU The BRICS Oil Sector: Its Role in Global Energy and Development Trends Journal article Yaroslavl Yaroslavl State Technical University 2026 13 с. Journal article local Экономика. Народное хозяйство. Экономические науки. 33 Loginov Evgeniy Leonidovich Abhazava Sariya Alhasovna theoreticaleconomy.ru