Environmental Education Experience with Students from One Costa Rican Rural School. Revista Electrónica Educare, [S. l.], v. 14, p. 167–176, 2010. DOI: 10.15359/ree.14-Ext.11. Disponível em: https://www.revistas.una.ac.cr/index.php/EDUCARE/article/view/1582.. Acesso em: 28 may. 2024.