Świstak M, Smoleń PP. Taxation of Academic Teachers’ Royalties. Controversies in the context of the general interpretation by the Minister of Finance. RECL [Internet]. 2022 Mar. 10 [cited 2024 Apr. 20];48(1):235-53. Available from: https://czasopisma.kul.pl/index.php/recl/article/view/12476