Febrian S, Buwono A, Muslim M, Arifin MD, P. Oloan AC. THE EFFECT OF USING MULTI LAYER MATERIAL ON DIESEL ENGINE SOUND ABSORBER CASE. jst.unsada [Internet]. 2022 Sep. 15 [cited 2024 Nov. 14];12(2):72-7. Available from: https://unsada.e-journal.id/jst/article/view/251