N. R. A. A. Siregar, 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”, Stat., optim. inf. comput., vol. 15, no. 6, pp. 4736–4756, Mar. 2026.