Dewi, Tessya, and Rosita Kusumawati. “AN ORDINAL LOGISTIC REGRESSION MODEL FOR ANALYZING RISK ZONE STATUS OF COVID-19 SPREAD”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 16, no. 3 (September 1, 2022): 853-860. Accessed April 25, 2024. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/5751.