Mutiarachim, A., Fikriah, F. K., Ansor, B., & Ramdani, A. P. (2025). Boosting Performance Classification KNN Customer Loyalty with Chi-Square and Information Gain. Jurnal Transformatika, 22(2), 81-89. https://doi.org/10.26623/6wgy1097 (Original work published 2025)