Laia, H. F., & Zahedi. (2022). Implementation of Autoregresssive Integrated Moving Average (ARIMA) on Forecasting the Number of Positive Cases of Covid-19 in North Sumatra on September 2021: Implementasi Autoregresssive Integrated Moving Average (ARIMA) Pada Peramalan Jumlah Kasus Positif Covid-19 Sumatera Utara Pada September 2021. Journal of Mathematics Technology and Education, 1(3), 229-241. https://doi.org/10.32734/jomte.v1i3.8820