ABDUL JALIL, MUHAMMAD MATHORI, Umi Chotijah, and Putri Aisyiyah Rakhma Devi. 2021. “SISTEM PREDIKSI PENJUALAN DENGAN METODE SINGLE EXPONENTIAL SMOOTHING (STUDI KASUS CV. BU IPUNG LAMONGAN)”. Indexia 3 (2):16-22. https://doi.org/10.30587/indexia.v3i2.2872.