Understanding the use of Indexical, Symbolic and Iconic signs in the interface of Twitter and Facebook: A semiotic perspective. Physical Education, Health and Social Sciences, [S. l.], v. 3, n. 1, p. 257–268, 2025. Disponível em: https://journal-of-social-education.org/index.php/Jorunal/article/view/111. Acesso em: 6 may. 2026.