PADILLA, J. E.; PADILLA, C. A. Multimodal Discourse Analysis of COVID-19 Vaccination Campaign Posters: Visual Grammar Approach. Silliman Journal, Dumaguete, Philippines, v. 63, n. 2, 2023. Disponível em: https://sillimanjournal.su.edu.ph/index.php/sj/article/view/357. Acesso em: 19 apr. 2024.