Hakim, Achmad Khalif, Maman Abdurohman, and Fazmah Arif Yulianto. “Improving DDoS Detection Accuracy Using Six-Sigma in SDN Environment”. International Journal on Advanced Science, Engineering and Information Technology 8, no. 2 (March 31, 2018): 365–370. Accessed June 3, 2024. http://ijaseit.insightsociety.org/index.php/ijaseit/article/view/5036.