Andriawan, Ahmad Rizky, and Mustakim Mustakim. “Proyeksi Data Dan Analisis Sentimen Penggunaan Vaksin Di Kabupaten Indragiri Hulu Berbasis Machine Learning”. Jurnal Sistem Komputer dan Informatika (JSON) 3, no. 2 (December 31, 2021): 196–201. Accessed October 28, 2025. https://ejurnal.stmik-budidarma.ac.id/index.php/JSON/article/view/3569.