Glania Τριανταφυλλιά, Antoniou Παναγιώτης, and Digelidis Νικόλαος. 2007. “A Pilot Application and Reliability of JEPQR-A on Preadolescent Greek Students”. Inquiries in Physical Education and Sport 5 (1):95-104. https://doi.org/10.26253/heal.uth.ojs.ispe.2007.1185.