Hilyawan, F. R., Syafrullah, M., & Sudija, I. (2025). A Systematic Literature Review on the Optimization of K-Means and Agglomerative Clustering for Student Performance Segmentation: A Comparative Analysis of Elbow and Silhouette Methods. Edcomtech: Jurnal Kajian Teknologi Pendidikan, 10(1), 73–88. https://doi.org/10.17977/um039v10i12025p73-88