LUDERA-RUSZEL, Agata. Employment under civil law contracts – selected issues. Acta Universitatis Lodziensis. Folia Iuridica, Poland, v. 88, p. 25–33, 2019. DOI: 10.18778/0208-6069.88.03. Disponível em: https://czasopisma.uni.lodz.pl/Iuridica/article/view/5788. Acesso em: 8 aug. 2026.