Baita, Anna, Yoga Pristyanto, and Nuri Cahyono. 2021. “Analisis Sentimen Mengenai Vaksin Sinovac Menggunakan Algoritma Support Vector Machine (SVM) Dan K-Nearest Neighbor (KNN)”. Information System Journal 4 (2):42-46. https://doi.org/10.24076/infosjournal.2021v4i2.687.