Ammar, Khalid, and Mohamad Khairi Ishak. “Detecting Zero-Day Attacks Using Deep Learning With Pelican Optimization Algorithm in IIoT Environments”. Engineering, Technology & Applied Science Research 16, no. 1 (February 9, 2026): 30703–30709. Accessed April 17, 2026. https://etasr.com/index.php/ETASR/article/view/13778.