رأفت خالد م. Metaphoric Expression by Using Color as Visual Variable. College of Basic Education Research Journal, [S. l.], v. 4, n. 3, p. 139–162, 2007. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/39077. Acesso em: 26 oct. 2025.