Mu’ti, D., and P. Prasetyaningrum. “Comparative Analysis of Classification Algorithms for Predicting Membership Churn in Fitness Centers: Case Study and Predictive Modeling at EightGym Indonesia”. Journal of Information Systems and Informatics, Vol. 7, no. 2, June 2025, pp. 1592-11, doi:10.51519/journalisi.v7i2.1120.