Saputra, A., & Prasetiyo, B. (2024). 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, 2(2), 106 - 113. https://doi.org/10.15294/rji.v2i2.67502