USMAN, D. I.; MAHINA, J. N. The Adoption of Customer Relationship Management System by Commercial Banks in Nigeria and Its Effects on Customer Retention. The International Journal of Business & Management, [S. l.], v. 4, n. 4, 2016. Disponível em: https://internationaljournalcorner.com/index.php/theijbm/article/view/126312. Acesso em: 22 jul. 2024.