Nghi, Le Dinh, and Nguyen Minh Kieu. “Volatility Spillover from the United States and Japanese Stock Markets to the Vietnamese Stock Market: A Frequency Domain Approach”. Panoeconomicus 68, no. 1 (January 23, 2020): 35–52. Accessed February 5, 2023. https://panoeconomicus.org/index.php/jorunal/article/view/1029.