STOLYAROVA, E.; NIZHNIK, G. . INCREASING THE EFFECTIVENESS OF GROUP SWIMMING LESSONS OF A SPORTS AND HEALTH-IMPROVING ORIENTATION. Theory and Practice of Physical Culture, [S. l.], n. 2, p. 65–67, 2023. Disponível em: http://tpfk.ru/index.php/TPPC/article/view/539. Acesso em: 18 май. 2024.