Ngo Thai Hung, Nguyen Thi Ngoc Ha, Pham Thi Thu Thao, and Huynh Thi Thuy Duong. 2024. “Cryptocurrency and VND/USD Exchange Rate Markets During the COVID-19 and Russia-Ukraine Crises”. VNU JOURNAL OF ECONOMICS AND BUSINESS 4 (3):74. https://doi.org/10.57110/vnu-jeb.v4i3.299.