HERRERA RUIZ, Juan Carlos. From the printing machine to internet: universalization instruments of English language. Ciencias Sociales y Educación, [S. l.], v. 2, n. 4, p. 151–162, 2013. Disponível em: https://revistas.udem.edu.co/index.php/Ciencias_Sociales/article/view/792. Acesso em: 20 jun. 2026.