WILLIE, Michael Mncedisi. Brand Management in Medical Schemes: Outsourcing and Website Dynamics . Golden Ratio of Marketing and Applied Psychology of Business, [S. l.], v. 4, n. 2, p. 258–273, 2024. DOI: 10.52970/grmapb.v4i2.472. Disponível em: https://www.goldenratio.id/index.php/grmapb/article/view/472. Acesso em: 21 apr. 2026.