Emmanouilidou Κ, Derri Β, Vasiliadou Ό, Kioumourtzoglou Ε. Academic Learning Time in Elementary Physical Education Class. ispe [Internet]. 2007 Apr. 27 [cited 2024 Nov. 21];5(1):1-9. Available from: https://journals.lib.uth.gr/index.php/inquiries/article/view/1163