Handajani, S.S., Pratiwi, H., Respatiwulan, R., Susanti, Y., Nirwana, M.B. and Nareswari, L.P. 2025. TRUNCATED SPLINE SEMIPARAMETRIC REGRESSION TO HANDLE MIXED PATTERN DATA IN MODELING THE RICE PRODUCTION IN EAST JAVA PROVINCE. BAREKENG: Jurnal Ilmu Matematika dan Terapan. 19, 4 (Sep. 2025), 2597-2608. DOI:https://doi.org/10.30598/barekengvol19iss4pp2597-2608.