FITRIYAH, Any Tsalasatul; CHAMIDAH, Nur; SAIFUDIN, Toha; LESTARI, Budi; AYDIN, Dursun. Least Squares Spline Estimation Method in Semiparametric Time Series Regression for Predicting Indonesia Composite Index. Statistics, Optimization & Information Computing, [S. l.], v. 14, n. 6, p. 3776–3803, 2025. DOI: 10.19139/soic-2310-5070-2704. Disponível em: https://iapress.org/index.php/soic/article/view/2704. Acesso em: 7 may. 2026.