Salsabila, Annisa, and Siskarossa Oktora. “Analysis of Underdeveloped Regency Using Logistic Threshold Regression Model”. Jurnal Varian 8, no. 1 (November 25, 2024): 55 - 66. Accessed December 22, 2024. https://journal.universitasbumigora.ac.id/index.php/Varian/article/view/3570.