Islas Colín Alfredo. Freedom of expression and culture of peace. Pensamiento Americano, [S. l.], v. 10, n. 19, 2017. DOI: 10.21803/pensam.v10i19.28. Disponível em: https://publicaciones.americana.edu.co/index.php/pensamientoamericano/article/view/28. Acesso em: 6 oct. 2025.