Loo, Jun Xian, AZLINA BINTI BAHARI, and AMIRUL SYAFIQ BIN SADUN. 2025. “Development of Independent Industrial IoT (IIoT) Device for Closed Building Application”. Progress in Engineering Application and Technology 6 (1): 478-88. https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/18976.