Relationship between Health and Economic Growth in Sub-Saharan African Countries: Examining the Moderating Effect of Institutional Quality. International Journal of Development Mathematics (IJDM), [S. l.], v. 3, n. 2, p. 292–308, 2026. DOI: 10.62054/ijdm/0302.19. Disponível em: https://ijdm.org.ng/index.php/Journals/article/view/324.. Acesso em: 12 nov. 2026.