Čular, Drazen, Ivan Granić, and Matej Babić. “Relative Age Effect Presence Among Swimmers Within Youth Olympic Games”. Acta Kinesiologica 17, no. 2 (January 6, 2024). Accessed April 24, 2026. https://akinesiologica.com/ojs_3.3.0-7/index.php/akinesiologica/article/view/72.