Digelidis Νικόλαος, Boyatzi Άννα, Chatzigeorgiadis Αντώνης, and Papaioannou Αθανάσιος. “Aggressiveness, Goal Orientations and Intrinsic Motivation in Physical Education Classes”. Inquiries in Physical Education and Sport 4, no. 1 (April 4, 2006): 57–67. Accessed May 29, 2024. https://journals.lib.uth.gr/index.php/inquiries/article/view/1119.