Febrian, Shahrin, Ayom Buwono, Muswar Muslim, Mohammad Danil Arifin, and Aldyn Clinton P. Oloan. “THE EFFECT OF USING MULTI LAYER MATERIAL ON DIESEL ENGINE SOUND ABSORBER CASE”. Jurnal Sains & Teknologi Fakultas Teknik Universitas Darma Persada 12, no. 2 (September 15, 2022): 72–77. Accessed November 14, 2024. https://unsada.e-journal.id/jst/article/view/251.