Sentiment Analysis on Twitter Social Media Regarding Covid-19 Vaccination with Naive Bayes Classifier (NBC) and Bidirectional Encoder Representations from Transformers (BERT). Recursive Journal of Informatics, [S. l.], v. 2, n. 2, p. 106–113, 2024. DOI: 10.15294/7h63ma50. Disponível em: https://journal.unnes.ac.id/journals/rji/article/view/34871. Acesso em: 5 dec. 2025.