Education and Nature Conservation: an Urgent Alliance. Revista Electrónica Educare, [S. l.], v. 15, n. 2, p. 221–230, 2011. DOI: 10.15359/ree.15-2.14. Disponível em: https://www.revistas.una.ac.cr/index.php/EDUCARE/article/view/1968.. Acesso em: 4 may. 2024.