DÍAZ, R. A. D. .; BUSTOS, W. F. .; CALDERÓN, J. A. V. . Economic and Legal Foundations of the Social Welfare System, Specifically of Pensions in Colombia and Minimum Content of the Reform. Migration Letters, London, UK, v. 20, n. S1, p. 1344–1351, 2023. Disponível em: https://migrationletters.com/index.php/ml/article/view/7079. Acesso em: 27 dec. 2024.