CSAPO, Marg. Recharging the Old Battery - Is It Effective. Canadian Journal of Education/Revue canadienne de l’éducation, [S. l.], v. 1, n. 4, p. 43–51, 1976. Disponível em: https://cje-rce.ca/index.php/cje-rce/article/view/7895. Acesso em: 5 jul. 2026.