Conceptual and methodological approaches and strategic for values education in school. Revista Universidad de Guayaquil, [S. l.], v. 109, n. 4, p. 35–42, 2010. DOI: 10.53591/rug.v109i4.373. Disponível em: https://revistas.ug.edu.ec/index.php/rug/article/view/449. Acesso em: 5 dec. 2025.