RAVI, SHASHWAR KUMAR, and RAMHUZAINI ABD RAHMAN. “Indoor Air Quality Monitoring through Internet of Things System: A Case Study at UTHM-Fraunhofer IEM Innovation Lab”. Research Progress in Mechanical and Manufacturing Engineering, vol. 6, no. 2, Dec. 2025, pp. 193-9, https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/21478.