Akanayeva Т. 2025. Regression model of the relationship between the Kazakh tenge exchange rate (KZT/USD) and the price of Brent crude oil. Economic series of the Bulletin of L.N. Gumilyov ENU. 4 (Dec. 2025), 203–217. DOI:https://doi.org/10.32523/2789-4320-2025-4-203-217.