ALVES, J.; MACIEL, V. F. Regional Market Concentration and Its Impact on Health Plan Quality in Brazil: Insights for Regulatory Policy. Archives of Business Research, [S. l.], v. 12, n. 12, p. 99–111, 2024. DOI: 10.14738/abr.1212.18080. Disponível em: https://journals.scholarpublishing.org/index.php/ABR/article/view/18080. Acesso em: 31 dec. 2024.