Astuti, V. R. I., and E. Zuliarso. “PREDIKSI PENJUALAN BUKET BUNGA DENGAN METODE EXPONENTIAL SMOOTHING”. Information Technology and Telematics, Vol. 8, no. 2, Mar. 2019, https://www.unisbank.ac.id/ojs/index.php/fti3/article/view/6500.