SONG, Alfred. Financial sustainability of microfinance institutions in sub-Saharan Africa: challenges and solutions. Research Beacon, [S. l.], v. 18, n. 11, p. 13–24, 2024. DOI: 10.70907/mvcsoy64. Disponível em: https://researchbeacon.org/index.php/research-beacon/article/view/5. Acesso em: 8 apr. 2026.