SOBYANIN, F. .; TEN, A.; NIKULIN, I. .; KOLESNIKOV, N. . Features of the formation of motivation for physical education classes among schoolchildren. Theory and Practice of Physical Culture, [S. l.], n. 2, p. 41–43, 2026. Disponível em: http://tpf1610220.nichost.ru/index.php/TPPC/article/view/1592. Acesso em: 14 may. 2026.