Chen, Guoqing, Nipaporn Chutiman, Sujitta Suraphee, Andrei Volodin, and Piyapatr Busababodhin. “Gradient Descent Decision Tree Algorithm and Nonlinear Programming for Credit Risk Assessment and Credit Strategy”. Emerging Science Journal 9, no. 4 (August 1, 2025): 1831–1850. Accessed September 12, 2025. https://www.ijournalse.org/index.php/ESJ/article/view/3033.