Klobučník M, Plešivčák M, Vrábeľ M. Football clubs’ sports performance in the context of their market value and GDP in the European Union regions. BGSS [Internet]. 2019 Sep. 1 [cited 2025 Jan. 31];45(45):59-74. Available from: https://apcz.umk.pl/BGSS/article/view/19327