Hraste, Mladen, Igor Jelaska, and Cain C.T. Clark. “Analysis of expert’s Opinion of Optimal Beginning Age for Learning Technical Skills in Water Polo”. Acta Kinesiologica 17, no. 2 (January 6, 2024): 35–41. Accessed January 25, 2025. https://akinesiologica.com/ojs_3.3.0-7/index.php/akinesiologica/article/view/137.