Anggraini, Novita, and Heri Suroyo. 2019. “Comparison of Sentiment Analysis Against Digital Payment “T-Cash and Go-pay” in Social Media Using Orange Data Mining : Perbandingan Analisis Sentimen Terhadap Digital Payment ‘ T-Cash Dan Go-pay’ Di Sosial Media Menggunakan Orange Data Mining”. Journal of Information Systems and Informatics 1 (2): 152-63. https://doi.org/10.33557/journalisi.v1i2.21.