Uysal, Fahriye, and Burak Erturan. “Volatility Forecast With Artificial Neural Networks As Univariate Time Series, With Examples from Stock Market Indexes”. Global Journal of Business, Economics and Management: Current Issues 7, no. 3 (January 2, 2018): 291–299. Accessed May 16, 2024. https://www.un-pub.eu/ojs/index.php/gjbem/article/view/2965.