Ervintyana, Laras, Andreas Widjaja, and Swat Lie Liliawati. “Trend Analysis of Sold Products Using Some Popular Techniques”. Jurnal Teknik Informatika dan Sistem Informasi 9, no. 1 (April 5, 2023): 110 –. Accessed July 6, 2024. http://114.7.153.31/index.php/jutisi/article/view/5933.