“Comparative Investigation of Engine Compartment Insulation Materials on ECE R51 Pass-By Noise Performance of M3 Category Buses” (2026) in 1st International R&D, Design and Innovation Conference Proceedings Book. BAUDER Press (Proceedings), pp. 37–47. Available at: https://press.bauderpress.org.tr/index.php/bauderpress/catalog/book/1/chapter/3 (Accessed: 26 August 2026).