Comparative Investigation of Engine Compartment Insulation Materials on ECE R51 Pass-By Noise Performance of M3 Category Buses. ASNJ [Internet]. 30 Haziran 2026 [a.yer 18 Ağustos 2026];5(1):41-8. Erişim adresi: https://journal.bauderpress.org.tr/index.php/asnj/article/view/89