Dhani Winanto, and Sunarso. “PENERAPAN METODE EXPONENTIAL SMOOTHING DALAM PERAMALAN PENJUALAN SMARTPHONE PADA JOGJA PHONE DI SAWAHAN BOYOLALI”. Jurnal Ekonomi Manajemen Dan Bisnis (JEMB) 2, no. 4 (March 24, 2025): 212–217. Accessed July 6, 2025. https://jurnalistiqomah.org/index.php/jemb/article/view/4147.