GASHI, S. Social Security Needs Solidarity. American Scientific Research Journal for Engineering, Technology, and Sciences, [S. l.], v. 37, n. 1, p. 210–219, 2017. Disponível em: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/2852. Acesso em: 3 may. 2024.