DAMANIK, R.; ZEBUA, H. I. When Informality Meets Poverty: Vulnerability of Informal Workers in North Sumatra’s Rural and Urban Divide. Jurnal Ketenagakerjaan, [S. l.], v. 20, n. 1, 2025. Disponível em: https://journals.kemnaker.go.id/index.php/naker/article/view/463. Acesso em: 22 sep. 2025.