Fadilah, A., Fitrianto, A., & Sumertajaya, I. (2022). OUTLIER IDENTIFICATION ON PENALIZED SPLINE REGRESSION MODELING FOR POVERTY GAP INDEX IN JAVA. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, 16(4), 1231-1240. https://doi.org/10.30598/barekengvol16iss4pp1231-1240