Yozza, Hazmira, and Afrimayani Afrimayani. “KORELASI MODEL HUBUNGAN DUA VARIABEL DENGAN ANALISIS REGRESI SPLINE”. Jurnal Matematika UNAND 8, no. 1 (July 5, 2019): 67–74. Accessed October 30, 2026. https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/409.