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 (October 2, 2026): 1–19. Accessed October 6, 2026. https://journals.us.edu.pl/index.php/ZPPPIPS/article/view/23648.