JOHNSTON, Charles. Social Security Retirement Income Program: Reform vs. Privatize. Journal of Finance Issues, [S. l.], v. 11, n. 1, p. 1–11, 2013. DOI: 10.58886/jfi.v11i1.2505. Disponível em: https://jfi-aof.org/index.php/jfi/article/view/2505. Acesso em: 16 may. 2026.