Lathifah, Imroatul, Fadhilah Fitri, and Fitri Mudia Sari. 2026. “Modeling the Percentage of Poor Population in West Sumatra in 2024 Using Nonparametric B-Spline Regression”. Jurnal Matematika, Statistika Dan Komputasi 22 (2):322-37. https://doi.org/10.20956/j.v22i2.47637.