Martinasari, M. D. P., K. P. Romantica, and P. T. D. 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, Vol. 20, no. 1, Nov. 2025, pp. 0603-18, doi:10.30598/barekengvol20iss1pp0603-0618.