Kukulski Z, Sęk M, editors. Supervised Doctoral Theses. In: Challenges of Contemporary Tax Law: Jubilee Book Dedicated to Professor Włodzimierz Nykiel. Volume II [Internet]. Poland: Lodz University Press; 2024 [cited 2026 Jan. 25]. pp. 37-8. Available from: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1154/chapter/3151