Sugiyarto, Susi Rachmadhani, and Rahmi Rahmi. “Data Analysis of E-Journal Usage in UPM Library With K-Means Clustering Method”. Journal of Computer Networks, Architecture and High Performance Computing 7, no. 2 (May 18, 2025): 544–553. Accessed May 24, 2026. https://itscience-indexing.com/jurnal/index.php/CNAPC/article/view/5850.