Izzah, Nurul, Nur’eni, and Rizka Pitri. 2023. “SENTIMENT ANALYSIS OF REVIEW DATA OF THE RUANGGURU ONLINE LEARNING APPLICATION USING THE C5.0 ALGORITHM”. Parameter: Journal of Statistics 3 (2), 76-83. https://bestjournal.untad.ac.id/index.php/parameter/article/view/16919.