Relationship Marketing and its Effect on Customer Retention: A Case of Commercial Banks in Nigeria. Singaporean Journal of Business Economics and Management, [S. l.], v. 10, n. (1), p. 7–11, 2024. Disponível em: https://www.singaporeanjbem.com/index.php/SJBEM/article/view/564. Acesso em: 16 jul. 2026.