Nguyen, Thi Hoang Anh, et al. “Measuring Volatility Spillovers Between Developed and Southeast Asian Emerging Stock Markets: A Multivariate Garch Approach”. Journal of International Economics and Management, no. 108, Aug. 2018, pp. 65-88, https://jiem.ftu.edu.vn/index.php/jiem/article/view/192.