Mohammad, Mahadhir, Mohd Farid Muhamad Said, and Srithar Rajoo. “Muffler Internal Geometry Parametric Study Related to Sound Transmission Loss and Pressure Drop”. Jurnal Mekanikal 44, no. 02 (December 27, 2021): 12–25. Accessed June 30, 2022. https://jurnalmekanikal.utm.my/index.php/jurnalmekanikal/article/view/431.