RICHTER-SITKO, Norbert. Fair Working Conditions of Traineeships in the Polish Labour Law System: The Case of Work Performed Remotely. Z Problematyki Prawa Pracy i Polityki Socjalnej, [S. l.], p. 1–19, 2026. DOI: 10.31261/zpppips.2026.24.08. Disponível em: https://journals.us.edu.pl/index.php/ZPPPIPS/article/view/23648. Acesso em: 6 oct. 2026.