“Joint Modeling of Training Load, Sleep, And Heart Rate Variability As A Dynamic System in The Context of Technical and Tactical Training of Young Basketball Players”. International journal of social sciences 5, no. 12 (December 5, 2025): 01–09. Accessed February 4, 2026. https://www.academicpublishers.org/journals/index.php/ijss/article/view/10341.