ERTON, I. THE ESSENCE OF SEMIOTICS AS A MEDIATOR OF COMMUNICATION AND COGNITION. International Online Journal of Education and Teaching, [S. l.], v. 5, n. 2, p. 267–277, 2018. Disponível em: https://iojet.org/index.php/IOJET/article/view/351. Acesso em: 25 dec. 2025.