Vilkas, Audronius, and Rimantas Mėlinis. “Peculiarities of the Changes in Physical Activity and Sport Orientation of 5th–10th Grade Learners”. Pedagogika 128, no. 4 (December 20, 2017): 232–247. Accessed May 10, 2025. https://ejournals.vdu.lt/index.php/Pedagogika/article/view/567.