Susanty, Wenny, and Dewi Fortuna Silaban. “Analysis of Life Insurance Underwriting Risk Classification Using Ordinal Logistic Regression and XGboost”. STATMAT: Jurnal Statistika dan Matematika 8, no. 1 (April 30, 2026): 173–181. Accessed August 25, 2026. https://openjournal.unpam.ac.id/index.php/sm/article/view/59268.