PRATAMA, Nugraha. Determinants of Social Security Participation in the Informal Sector: The Role of the Human Development Index and Regional Infrastructure. Outline Journal of Economic Studies, [S. l.], v. 5, n. 1, p. 15–23, 2025. DOI: 10.61730/t6xh6s53. Disponível em: https://journal.outlinepublisher.com/index.php/OJES/article/view/527. Acesso em: 25 oct. 2025.