Supriadi Panggabean, Angga Kautsar Ibrahim, Zakiyanto, Azrul Azmani. Optimizing Student Extracurricular Classification: RapidMiner Based K-Means Clustering Study at Darunnajah High School. JOISTECH [Internet]. 2024Jun.30 [cited 2026Apr.30];1(1):25-1. Available from: https://mail.ejournal.darunnajah.ac.id/index.php/joistech/article/view/251