E. Purwanto, B. P. Cipto Utomo, H. Permatasari, and F. Mohd, “Comparative Analysis of Classification Models for Sales Prediction in E-commerce: Decision Tree, Random Forest, SVM, Naive Bayes, and KNN”, J. Tek. Inform. (JUTIF), vol. 6, no. 6, pp. 5899–5915, Jan. 2026.