J. Banjarnahor, N. Sigalingging, R. B. Pasaribu, Y. S. Sitompul, and J. D. Sibarani, “Explainable Hybrid XGBoost Fuzzy Logic Model for Accurate Anemia Risk Classification”, SinkrOn, vol. 10, no. 3, pp. 1451-1463, Jul. 2026.