Nassis Παντελής, Theodorakis Νικόλαος Δ., Vlachopoulos Συμεών Π., and Afthinos Γιάννης. 2007. “The Relationship Between Team Identification and Loyalty in Professional Sports”. Inquiries in Physical Education and Sport 5 (3):396-404. https://doi.org/10.26253/heal.uth.ojs.ispe.2007.1217.