KOVALEV A.A. Digital monitoring of the exercise’s heart rate as a tool for determining personalized physical activity norms. Theory and Practice of Physical Culture, [S. l.], n. 7, p. 42–45, 2024. Disponível em: http://tpfk.ru/index.php/TPPC/article/view/1072. Acesso em: 22 nov. 2024.