Ruziyeva E, Nurgaliyeva А, Yessymkhanova Z, Chaykovskaya L. Modeling and analysis of the mutual influence of the RUB / KZT and USD / KZT exchange rates: the period before the pandemic and as a result of the impact of COVID-19 . EC [Internet]. 2020 Dec. 30 [cited 2025 Dec. 8];100(4):122-30. Available from: https://bbr.buketov.edu.kz/economy-vestnik/article/view/376