Khair FA, Putra A, M. Nor MJ, Selamat M. Analysis of sound absorption of hollow tube absorbers . Int. J. Automot. Mech. Eng. [Internet]. 2022 Dec. 9 [cited 2024 Jul. 22];13(2):3492-50. Available from: https://journal.ump.edu.my/ijame/article/view/8467