Siregar, N. R. A. A., N. Chamidah, M. Rifada, B. Lestari, and D. Aydin. “Penalized Spline Semiparametric Logistic Regression for Modelling Coronary Heart Disease Risk Based on Demographic and Lifestyle Factors”. Statistics, Optimization & Information Computing, Mar. 2026, doi:10.19139/soic-2310-5070-3334.