Marpaung, G., E. Soesilowati, Y. Rahman, Y. Tegar, and R. Yuliani. “Forecasting the Inflation Rate in Central Java Using ARIMA Model”. Efficient: Indonesian Journal of Development Economics, Vol. 5, no. 2, June 2022, pp. 163-7, doi:10.15294/efficient.v5i2.54227.