Oikonomopoulos Γεώργιος, Tzetzis Γεώργιος, and Kioumourtzoglou Ευθύµιος. 2006. “Students Evaluation in Physical Education”. Inquiries in Physical Education and Sport 4 (2):260-77. https://journals.lib.uth.gr/index.php/inquiries/article/view/1140.