SARI SIANTURI, D. P.; SAGALA, J. R. . Prediction of 2020 Mobile Sales Trends Using the Weighted Product Method. Journal of Intelligent Decision Support System (IDSS), [S. l.], v. 3, n. 4, p. 25-36, 2020. Disponível em: https://www.idss.iocspublisher.org/index.php/jidss/article/view/21. Acesso em: 22 may. 2026.