PFAU, W. The Role of International Diversification in Public Pension Systems: The Case of Pakistan. Economic Issues, [S. l.], v. 14, n. 2, p. 81–105, 2009. Disponível em: https://economicissues.org.uk/index.php/EI_OJS/article/view/157. Acesso em: 25 oct. 2026.