Ahmad Turmudi Zy, Isarianto, Anggi Muhammad Rifa’i, Agung Nugroho, and Abdul Ghofir. “Enhancing Network Security: Evaluating SDN-Enabled Firewall Solutions and Clustering Analysis Using K-Means through Data-Driven Insights”. Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) 9, no. 1 (January 25, 2025): 69 - 76. Accessed May 9, 2025. http://www.jurnal.iaii.or.id/index.php/RESTI/article/view/6056.