Octavia, D. H., Auliarani, A., Siswanto, S., & Kalondeng, A. (2024). Modeling Determinants of Composite Stock Price Index Based on Multivariable Nonparametric Penalized Spline Regression Model alized Spline. Jurnal Matematika, Statistika Dan Komputasi, 20(3), 497-512. https://doi.org/10.20956/j.v20i3.32145