SIGALINGGING, V. Pengaruh Relationship Marketing terhadap Customer Retention di Bank BNI Kantor Cabang Jakarta Kota. Jurnal Utilitas, [S. l.], v. 3, n. 1, p. 27–39, 2017. DOI: 10.22236/utilitas.v3i1.4695. Disponível em: https://journal.uhamka.ac.id/index.php/utilitas/article/view/4695. Acesso em: 18 jul. 2024.