Demiralay, S., and H. G. Gencer. “Volatility Transmissions Between Oil Prices and Emerging Market Sectors: Implications for Portfolio Management and Hedging Strategies”. International Journal of Energy Economics and Policy, vol. 4, no. 3, June 2014, pp. 442-7, https://www.econjournals.com/index.php/ijeep/article/view/851.