Jo-Hui, Chen, Yi-Hsin, Lo, Sabbor, Hussain. “The Study of the ANN Models for Predicting the Sovereign Bond Default Swaps”. European Economic Letters (EEL) 13, no. 1 (March 15, 2023): 101–113. Accessed May 2, 2026. https://www.eelet.org.uk/index.php/journal/article/view/125.