CAYCEDO, Liliana; ROSAS, Sonia Maria. The value of environmental actions and evidence about them in an educational contexts. Revista de Investigaciones UNAD, Colombia,CO, v. 10, n. 2, p. 69–78, 2011. DOI: 10.22490/25391887.754. Disponível em: https://hemeroteca.unad.edu.co/index.php/revista-de-investigaciones-unad/article/view/754.. Acesso em: 30 dec. 2024.