Wilmanowicz-Słupczewska, Martyna. “Sugar-Dating (Sponsoring): Income Tax Consequences of Sexual Relations in Polish and Czech Law”. PRAWO i WIĘŹ, no. 3 (46) (November 17, 2023): 637–662. Accessed June 7, 2025. https://www.prawoiwiez.edu.pl/index.php/piw/article/view/558.