Papagiannopoulos Δ., and Digelidis Ν. “The TGFU Instructional Approach Contribution to the Teaching of Team Games to 5th and 6th Grade Students”. Inquiries in Physical Education and Sport, vol. 19, no. 2, July 2021, pp. 80-94, https://journals.lib.uth.gr/index.php/inquiries/article/view/1561.