Wiyanti W. Effectiveness of Single and Double Exponential Smoothing: SES, ARRSES and Holt’s Linear for Time Series Data Prediction with Trend and Non-seasonal Characteristic (Covid-19 Vaccinate Case): Efektivitas Metode Exponential Smoothing untuk Prediksi Data Runtun Waktu Pola Tren dan Non-musiman (Studi Kasus Cakupan Vaksinasi Covid-19). JMSK [Internet]. 2023Sep.6 [cited 2024Dec.3];20(1):52-64. Available from: http://334012.libg.asia/index.php/jmsk/article/view/27193