SOMBILON, R. S. B.; ESCALONA, A. M. M.; SEGUROS, J.; MIRALLES, T. G. Department of health COVID-19 infographics safety reminder: a semiotic analysis. Conference on English Language Teaching, [S. l.], p. 139–164, 2023. Disponível em: https://proceedings.uinsaizu.ac.id/index.php/celti/article/view/479. Acesso em: 3 jul. 2024.