Sendari, Siti, Agung Bella Putra Utama, Nastiti Susetyo Fanany Putri, Prasetya Widiharso, and Rizki Jumadil Putra. “K-Means and Fuzzy C-Means Optimization Using Genetic Algorithm for Clustering Questions”. International Journal of Advanced Science and Computer Applications 1, no. 1 (December 30, 2021): 1–9. Accessed May 7, 2026. https://ijasca.org/index.php/ijasca/article/view/2.