Siahaan ST, Suhendra CD, Marini LF. Clustering Pospay User Reviews Using Rule-Based Hybrid K-Means and TF-IDF. SinkrOn [Internet]. 2026Oct.5 [cited 2026Oct.7];10(4):2424-35. Available from: https://jurnal.polgan.ac.id/index.php/sinkron/article/view/16556