Xu, Jiawen, and Chenhao Liu. “Robust Explainable Supplier Risk Prediction under Imperfect Domain Knowledge: Empirically Vetted Monotonic XGBoost With TreeSHAP”. Academic Journal of Applied Sciences, vol. 3, no. 1, Sept. 2026, pp. 28-34, https://doi.org/10.54097/d14mre26.