Kamrozi, et al. “Sentiment Analysis of Cryptocurrency Trading Platform Service Quality on Playstore Data: A Case of Indodax: Bahasa Inggris”. Jurnal RESTI (Rekayasa Sistem Dan Teknologi Informasi), vol. 7, no. 3, June 2023, pp. 445-56, https://doi.org/10.29207/resti.v7i3.4769.