Shu, Siqin, Yidi Sun, and Yu Zhou. “Research on Factor Identification and Contribution of Bank Nonperforming Loans Based on Lightgbm Algorithm”. BCP Business & Management 30 (October 24, 2022): 209–217. Accessed July 29, 2026. https://bcpublication.org/index.php/BM/article/view/2434.