CHUMIŃSKI, Jędrzej. The Act on Securing the Socialist Discipline of Labour. Studia Historiae Oeconomicae, [S. l.], v. 30, p. 25–52, 2012. Disponível em: https://pressto.amu.edu.pl/index.php/sho/article/view/28944. Acesso em: 7 may. 2024.