KJELLBERG, Anders; NERGAARD, Kristine. Union Density in Norway and Sweden: Stability versus Decline. Nordic Journal of Working Life Studies, [S. l.], v. 12, n. S8, 2022. DOI: 10.18291/njwls.131697. Disponível em: https://tidsskrift.dk/njwls/article/view/131697. Acesso em: 5 dec. 2025.