Rayevsky D.A. “The Relationship Between the Level of Development of Qualitative and Quantitative Indicators of Physical Fitness of Students Specializing in Swimming”. Theory and Practice of Physical Culture, no. 4 (June 26, 2025): 16–19. Accessed December 5, 2025. http://tpfk.ru/index.php/TPPC/article/view/1312.