Hidayat, Rizky, Juan Prasetyo, Berliani Larasati, Mutiara Aisharezka, and Nur Chamidah. “JCI MODELING IN INDONESIA BASED ON INDUSTRIAL PRODUCTION INDEX WITH LOCAL POLYNOMIAL ESTIMATOR APPROACH”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 17, no. 3 (September 30, 2023): 1277-1286. Accessed July 3, 2024. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/7959.