Healthcare Delivery and Efficiency of Osun State Health Insurance Scheme (OHIS): A Case of Osogbo Local Government Area of Osun State, Nigeria. Journal of Management and Social Sciences, [S. l.], v. 15, n. 1, 2026. DOI: 10.53704/k0exza54. Disponível em: http://fountainjournals.com/index.php/JMSS/article/view/686. Acesso em: 12 jun. 2026.