Martinasari, Made Diyah Putri, Krishna Prafidya Romantica, and Putu Tika Dinda Gentari. “MODELING AND FORECASTING MORTALITY RATES DURING THE COVID-19 PANDEMIC USING THE SECOND ADAPTED NOLFI MODEL AND AUTO ARIMA”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 20, no. 1 (November 24, 2025): 0603-0618. Accessed November 26, 2025. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/18692.