Pryimakov, Oleksandr, Marek Sawczuk, Stanislav Prysiazhniuk, Nataliya Mazurok, and Oleksandr Petrachkov. “Interrelations of Physical State Parameters and Biological Age of Students in the Process of Physical Education”. Physical Education of Students 28, no. 1 (February 28, 2024): 16–28. Accessed July 15, 2026. https://sportedu.org.ua/index.php/PES/article/view/1943.