Sykas, Stylianos. «Digital Arenas: The Regulatory Framework and Other Relevant Issues on ESports Online Betting». Homo Virtualis 4, no. 1 (июль 22, 2021): 10–16. просмотрено октябрь 22, 2025. https://ejournals.epublishing.ekt.gr/index.php/homvir/article/view/27340.