Mohd Zahari, Mohamad Kuzahier, and Zarul Fitri Zaaba. “Intelligent Responsive Indoor System (IRIS): A Potential Shoplifter Security Alert System”. Journal of Information and Communication Technology 16, no. 2 (November 6, 2017): 262–282. Accessed October 17, 2026. https://e-journal.uum.edu.my/index.php/jict/article/view/8232.