Rycak, Magdalena. “Will ‘Yellow’ Unions Disappear After the Amendment to Act on Trade Unions? ”. Acta Universitatis Lodziensis. Folia Iuridica 95 (June 30, 2021): 51–59. Accessed December 6, 2025. https://www.czasopisma.uni.lodz.pl/Iuridica/article/view/10122.