Tau, Wei Ming, and Nor Azali Azmir. 2024. “Analysis of Three Different Silencer Nozzles in Reducing Airgun Noise for Occupational Safety and Health by Using IMMI Software”. Research Progress in Mechanical and Manufacturing Engineering 5 (2): 217-26. https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/16827.