Arief, Rifiana, and Karel Imanuel. “ANALISIS SENTIMEN TOPIK VIRAL DESA PENARI PADA MEDIA SOSIAL TWITTER DENGAN METODE LEXICON BASED”. Jurnal Ilmiah Matrik 21, no. 3 (December 19, 2019): 242-250. Accessed April 8, 2020. http://journal.binadarma.ac.id/index.php/jurnalmatrik/article/view/727.