Darwas, R., Rahimullaily, R. and Abdi, N. 2021. Good Sales Forecasting Information System using Single Exponential Smoothing Method. Jurnal Teknologi Informasi dan Pendidikan. 14, 1 (Sep. 2021), 77-82. DOI:https://doi.org/10.24036/tip.v14i1.453.