KASSIM, Muna S.; AL-MALIKI, Ammar Fadhil Hussein; MOHAMMED, Hayder M. Experimental Study of Orifice Shape Effect on Noise Reduction of Silencer. Wasit Journal of Engineering Sciences, [S. l.], v. 7, n. 2, p. 1–12, 2020. DOI: 10.31185/ejuow.Vol7.Iss2.124. Disponível em: https://ejuow.uowasit.edu.iq/index.php/ejuow/article/view/124. Acesso em: 16 apr. 2026.