Belasri, Y., & Ellaia, R. (2017). Estimation of Volatility and Correlation with Multivariate Generalized Autoregressive Conditional Heteroskedasticity Models: An Application to Moroccan Stock Markets. International Journal of Economics and Financial Issues, 7(2), 384–396. Retrieved from https://econjournals.com.tr/index.php/ijefi/article/view/4078