Adya Zizwan Putra, Ariyanto Sitorus, Paulus Anggiat Ruben Simanjuntak, Mega Cristin Angelina. H., and Kevin Agustino Situmorang. “ECG-Based Arrhythmia Classification in Students Using Random Forest: A Case Study With Class Imbalance Analysis”. Sinkron : jurnal dan penelitian teknik informatika 9, no. 2 (June 2, 2025): 905-913. Accessed June 13, 2026. https://jurnal.polgan.ac.id/index.php/sinkron/article/view/14793.