Сідоров, В., & Ревякін, Г. (1). Economic crises detecting: laws of their functioning. The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism, (4 (1144, 2), 133-136. Retrieved from https://periodicals.karazin.ua/irtb/article/view/4537