Sevdali Χ., Digelidis Ν., Vazou Σ., Syrmpas Ι., and Krommidas Χ. “The Effect of Classroom Physical Activity Breaks on Psychosocial Variables of Elementary School Pupils”. Inquiries in Physical Education and Sport, vol. 15, no. 2, Nov. 2017, pp. 1-12, https://journals.lib.uth.gr/index.php/inquiries/article/view/1497.