Anggraini, N. and Suroyo, H. 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 (Sep. 2019), 152–163. DOI:https://doi.org/10.33557/journalisi.v1i2.21.