“Machine Learning Multi-Class Intrusion DetectionSystem Using Embedded Feature Selection and Multi-Level Hierarchy Classification”. Al-Rafidain Engineering Journal (AREJ) 31, no. 3 (September 1, 2026): 84–103. Accessed September 7, 2026. https://rengj.uomosul.edu.iq/index.php/rengj/article/view/61669.