Theodosiou Αργύρης, and Papaioannou Αθανάσιος. 2006. “Metacognition and Goal-Orientations. Their Role in Self-Regulation of Learning in Physical Education”. Inquiries in Physical Education and Sport 4 (2):148-67. https://doi.org/10.26253/heal.uth.ojs.ispe.2006.1131.