OUAMBA, Aristide Wilfride. Looking Beyond Gross Domestic Product: Self-Employment and Social Progress Index in Africa. International Journal of Social Sciences and Scientific Studies, [S. l.], v. 2, n. 6, p. 1738–1799, 2022. Disponível em: https://www.ijssass.com/index.php/ijssass/article/view/121. Acesso em: 13 jun. 2026.