Kamrozi; Achmad Nizar Hidayanto; Krishna Yudhakusuma P.M.; Muh. Alviazra Virgananda; Ryan Randy Suryono. Sentiment Analysis of Cryptocurrency Trading Platform Service Quality on Playstore Data: A Case of Indodax. J. RESTI (Rekayasa Sist. Teknol. Inf.) 2023, 7, 445 - 456.