00603naa#a2200169#i#450# EN\\bibl\114474 20260425191305.6 2782-4586 20260331b2026####ek#y0engy0150####ca RU Assessment of the development and effectiveness of Islamic banking in the economy of the Persian Gulf countries Journal article Moscow ITBO University 2026 7 с. Journal article local Денежное обращение. Банковское дело. Биржи. 336.7 Vedyshev Igor' Igorevich jomeam.ru