Bunnag, Tanattrin. “Volatility Transmission in Crude Oil, Gold, S&P 500 and US Dollar Index Futures Using VAR-MGARCH Model”. International Journal of Energy Economics and Policy, vol. 6, no. 1, Jan. 2016, pp. 39-52, https://econjournals.com./index.php/ijeep/article/view/1554.