Dewi, Tessya, and Rosita Kusumawati. 2022. “AN ORDINAL LOGISTIC REGRESSION MODEL FOR ANALYZING RISK ZONE STATUS OF COVID-19 SPREAD”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan 16 (3), 853-60. https://doi.org/10.30598/barekengvol16iss3pp853-860.