A.A. Tretyakov, E.S. Nikolaeva, A.G. Chebotarsky, and A.Y. Golub. “Experience of Preparing Teachers for Teaching Children to Swimming”. Theory and Practice of Physical Culture, no. 6 (July 31, 2023): 52–54. Accessed July 22, 2024. http://tpfk.ru/index.php/TPPC/article/view/636.