KANAREK-RÓWNICKA, Anna. Unrecorded activities and business acivities. Analysis of the legal regulation. Studia Prawno-Ekonomiczne, [S. l.], v. 116, p. 49–64, 2020. DOI: 10.26485/SPE/2020/116/3. Disponível em: https://journals.ltn.lodz.pl/Studia-Prawno-Ekonomiczne/article/view/1043. Acesso em: 18 may. 2024.