Staniszewska, Lucyna. “Processual Boundaries: A Model for the Supervision of Matters Related to the Perpetual Usufruct Fee”. Zeszyty Prawnicze 26, no. 3 (September 25, 2026): 5–29. Accessed November 12, 2026. https://czasopisma.uksw.edu.pl/zp/article/view/17404.