Aldean, M., P. Paradise, and N. Setya Nugraha. “Analisis Sentimen Masyarakat Terhadap Vaksinasi Covid-19 Di Twitter Menggunakan Metode Random Forest Classifier (Studi Kasus: Vaksin Sinovac)”. Journal of Informatics Information System Software Engineering and Applications (INISTA), Vol. 4, no. 2, June 2022, pp. 64-72, doi:10.20895/inista.v4i2.575.