Pang WL, Chung GC, Chan KY, Sim YW, Muhammad Akmal, Murman Dwi Prasetio. Design of Smart IoT Health and Social Distancing Monitoring System. IJIE. 2024;16(3):36-44. Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/15834