Lukmanova, N.B., A.V. Malinin, D.N. Pukhov, and T.F. Abramova. “Schoolchildren’s Physical Education Competency Versus Physical Fitness Self-Rates: Survey and Analysis”. Theory and Practice of Physical Culture, no. 3 (April 5, 2022): 49–51. Accessed December 22, 2024. http://tpfk.ru/index.php/TPPC/article/view/167.