“Pojęcie Wolnego Zawodu W świetle Prawa: [The Concept of the Liberal Profession in the Light of the Law]”. Studia Prawnicze / The Legal Studies, no. 3-4 (133-134) (December 30, 1997): 122–141. Accessed October 6, 2025. https://czasopisma.inp.pan.pl/index.php/sp/article/view/2842.