Afifah NR, Salma A. Analysis of Open Unemployment Rates in Indonesia Based on GRDP and the Percentage of Poor Population Using Nonparametric B-Spline Regression. JMSK [Internet]. 2026 Jan. 10 [cited 2026 Feb. 27];22(2):447-58. Available from: https://journal.unhas.ac.id/index.php/jmsk/article/view/48355