Akbulaev N, Muradzada I, Hasanov Z. Relationship between Oil Prices and Russia Exchange Indices: Analysis of Frequency Causality. IJEEP [Internet]. 2023 Sep. 16 [cited 2024 Dec. 23];13(5):607-15. Available from: https://mail.econjournals.com/index.php/ijeep/article/view/14123