Islamiyati, Anna. “Spline Polynomial Truncated Dalam Regresi Nonparametrik”. Jurnal Matematika, Statistika dan Komputasi 14, no. 1 (February 11, 2018): 54–60. Accessed April 8, 2025. http://journal.unhas.ac.id/index.php/jmsk/article/view/3538.