External Debt Accumulation and Institutional Quality in Selected ECOWAS and SADC Countries: Implications for Efficiency in Governance. Institutions and Economies, [S. l.], v. 18, n. 4, p. 207–227, 2026. DOI: 10.22452/IJIE.vol18no4.8. Disponível em: https://jupidi.um.edu.my/index.php/ijie/article/view/75695. Acesso em: 6 oct. 2026.