SĘK, M. Self-Employed in the EU VAT System: An Entrepreneur or an Employee?. Acta Universitatis Lodziensis. Folia Iuridica, [S. l.], v. 101, p. 267–278, 2022. DOI: 10.18778/0208-6069.101.21. Disponível em: https://czasopisma.uni.lodz.pl/Iuridica/article/view/15844. Acesso em: 2 may. 2024.