DEVIDOM, John Baker; ULLAH, Muhammad Saif. Topic Modelling of COVID-19 Health Communication on Social Media: Thematic Dynamics and Platform Differences Across 2020–2022. RIDSCON – International Conference on Research Innovations in Social Sciences, [S. l.], 2025. Disponível em: https://www.conferences.ridsts.com/index.php/RICRISS/article/view/88. Acesso em: 17 sep. 2026.