Muhammad Hakimi bin Mohd Nashron, Shah Rizailli bin Mukhtar, and Ustaz Haji Abdullaah bin Feisal. “DEVELOPMENT OF HAJJ & UMRAH HEARTBEAT, HEART RATE AND BODY TEMPERATURE USING MIOT”. Journal of Engineering Technology 10, no. 1 (November 1, 2022): 216–220. Accessed June 14, 2026. https://ejournal.unikl.edu.my/index.php/jet/article/view/345.