SKOTNICKI, Krzysztof. Senate of the Republic of Poland and Senate of the Czech Republic. Legal and Comparative Analysis. Acta Universitatis Lodziensis. Folia Iuridica, [S. l.], v. 70, p. 103–122, 2009. DOI: 10.18778/0208-6069.70.06. Disponível em: https://czasopisma.uni.lodz.pl/Iuridica/article/view/25354. Acesso em: 9 apr. 2025.