I. N. Budiantara, N. Chamidah, A. T. R. Dani, M. Anshari, and M. F. Al-Farizi, “Model Selection Criteria CV, UBR, and GCV for a Mixed Truncated Spline–Gaussian Kernel Estimator in Health Modeling”, Stat., optim. inf. comput., vol. 16, no. 3, pp. 2632–2652, Apr. 2026.