BRODA, H. W. Schoolyard-Enhanced Learning: Using the Outdoors as an Instructional Tool, K-8. Education Review, [S. l.], 2015. DOI: 10.14507/er.v0.995. Disponível em: https://edrev.asu.edu/index.php/ER/article/view/995. Acesso em: 6 may. 2024.