Đošić, Anđela, Danijela Živković, Tijana Purenović-Ivanović, Nebojša Ranđelović, and Saša Pantelić. 2024. “TREND IN PHYSICAL ACTIVITY LEVELS AMONG CHILDREN AGED 11 TO 14”. Physical Education and Sport Through The Centuries 11 (2):109-18. https://doi.org/10.5937/spes2402109D.