K FE, Hutapea RO, Sianturi AA. Integration of survival analysis in predicting customer churn risk to optimize life insurance redemption value formulation. EJEB [Internet]. 2026Apr.21 [cited 2026Jun.15];5(2):261-9. Available from: https://www.jurnal.larisma.or.id/index.php/EJEB/article/view/1580