BARNEY, David; DEUTSCH, Joe. Attitudes and perceptions of elementary classroom teachers use of physical education time for planning. International Electronic Journal of Elementary Education, [S. l.], v. 4, n. 2, p. 367–376, 2017. Disponível em: https://www.iejee.com/index.php/IEJEE/article/view/204. Acesso em: 4 aug. 2026.