Aaputra, S. A., Didi Rosiyadi, Windu Gata and Syepry Maulana Husain (2019) “Sentiment Analysis Analysis of E-Wallet Sentiments on Google Play Using the Naive Bayes Algorithm Based on Particle Swarm Optimization”, Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi), 3(3), pp. 377 - 382. doi: 10.29207/resti.v3i3.1118.