AFFENDY ABU HASSIM, M. F. S. N. A. M. R. Factors Influencing Customer Loyalty in Private Healthcare Services. International Journal of Social Sciences and Humanities Invention, [S. l.], v. 2, n. 10, 2015. Disponível em: https://valleyinternational.net/index.php/theijsshi/article/view/264. Acesso em: 9 may. 2024.