Mutiarachim, Atika, Fari Katul Fikriah, Basirudin Ansor, and Aditya Putra Ramdani. “Boosting Performance Classification KNN Customer Loyalty With Chi-Square and Information Gain”. Jurnal Transformatika 22, no. 2 (March 11, 2025): 81–89. Accessed June 29, 2026. https://journals.usm.ac.id/index.php/transformatika/article/view/11158.