Belogiannis Χρήστος, Kourtesopoulou Άννα, and Nikitaras Νικήτας. 2007. “Risk in Sports: Definitions, Theories, Psychological Profile of the Participants”. Inquiries in Physical Education and Sport 5 (3):414-23. https://doi.org/10.26253/heal.uth.ojs.ispe.2007.1219.