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