Ramadhan, Muhammad Fajar, Febrianti Panjaitan, Winarnie Panjaitan, Hery Oktafiandy Panjaitan, and Yohanes Panjaitan. “Sentiment Analysis and Topic Modeling of Ruangguru Application User Reviews Using IndoBERT and BERTopic on a Kaggle Dataset”. Journal of Informatics and Vocational Education 9, no. 3 (July 24, 2026): 67–77. Accessed July 27, 2026. https://journal.uns.ac.id/index.php/joive/article/view/3820.