Bács, Bence András. “Comparative Analysis of Player Transfer Activity in the ‘Big 5’ European Football Leagues”. Régiókutatás Szemle 8, no. 2 (April 16, 2024): 25–35. Accessed May 18, 2024. https://ojs.lib.unideb.hu/regiokutatasszemle/article/view/13353.