Stolyarova, E., & Nizhnik, G. . (2023). INCREASING THE EFFECTIVENESS OF GROUP SWIMMING LESSONS OF A SPORTS AND HEALTH-IMPROVING ORIENTATION. Theory and Practice of Physical Culture, (2), 65–67. извлечено от http://tpfk.ru/index.php/TPPC/article/view/539 (Original work published 18 апрель 2023 г.)