POSNER, R. Semiotic pollution: Deliberations towards an ecology of signs. Sign Systems Studies, [S. l.], v. 28, p. 290–308, 2000. DOI: 10.12697/SSS.2000.28.16. Disponível em: https://ojs.utlib.ee/index.php/sss/article/view/SSS.2000.28.16. Acesso em: 3 may. 2024.