“Prawo Pracy W XX-Leciu PRL: [Labour Law in the 20th Anniversary of the People’s Republic of Poland]”. Studia Prawnicze / The Legal Studies, no. 9 (April 29, 2023): 145–194. Accessed October 6, 2025. https://czasopisma.inp.pan.pl/index.php/sp/article/view/3979.