K, F. E.; HUTAPEA, R. O.; SIANTURI, A. A. Integration of survival analysis in predicting customer churn risk to optimize life insurance redemption value formulation. Economic: Journal Economic and Business, [S. l.], v. 5, n. 2, p. 261–269, 2026. DOI: 10.56495/ejeb.v5i2.1580. Disponível em: https://www.jurnal.larisma.or.id/index.php/EJEB/article/view/1580. Acesso em: 15 jun. 2026.