Rahmania, Rahmania, Sifriyani Sifriyani, and Andrea Dani. “MODELING OPEN UNEMPLOYMENT RATE IN KALIMANTAN ISLAND USING NONPARAMETRIC REGRESSION WITH FOURIER SERIES ESTIMATOR”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 18, no. 1 (March 1, 2024): 0245-0254. Accessed November 22, 2024. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/10232.