Muhammad Shaqil Norrazman (2025) “Implement a Real-Time Outdoor Air Pollution Monitoring System Device with Graphical User Interface (GUI) at UTHM Pagoh College”, Progress in Engineering Application and Technology, 6(1), pp. 219–230. Available at: https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/18931 (Accessed: 7 April 2026).