BURRISS, K.; BURRISS, L. Outdoor Play and Learning: Policy and Practice. International Journal of Education Policy and Leadership, [S. l.], v. 6, n. 8, 2011. DOI: 10.22230/ijepl.2011v6n8a306. Disponível em: https://journals.sfu.ca/ijepl/index.php/ijepl/article/view/306. Acesso em: 6 may. 2024.