IRWANTO, Alvin; GOEIRMANTO, Leonard. Sentiment Analysis From Twitter About Covid-19 Vaccination in Indonesia Using Naive Bayes and Xgboost Classifier Algorithm. SINERGI, Jakarta, Indonesia, v. 27, n. 2, p. 145–152, 2023. DOI: 10.22441/sinergi.2023.2.001. Disponível em: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/sinergi/article/view/14970. Acesso em: 28 may. 2026.