Experimental Test for Noise Attenuation in Gasoline Engine with Different Types of Mufflers. J. eng. sustain. dev. [Internet]. 2012 Dec. 1 [cited 2024 May 16];16(4):390-8. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1251