Pratiwi, R. N., Fauziah, N., Syahputra, B. O., Firmanda, A. W., & Amelia, D. (2025). MODELING THE INFLUENCE OF CRUDE OIL PRODUCTION AGAINST INDONESIAN SOLAR WHOLESALE PRICE INDEX WITH LEAST SQUARE SPLINE ESTIMATOR APPROACH. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, 19(2), 805-818. https://doi.org/10.30598/barekengvol19iss2pp805-818