Koy, Ayben, and Andaç Batur Çolak. “Predicting Stock Market Index and Credit Default Swap Spreads Using Artificial Intelligence and Determining Nonlinear Relations”. Archives of Advanced Engineering Science (August 22, 2023): 1–12. Accessed October 30, 2024. https://ojs.bonviewpress.com/index.php/AAES/article/view/1366.