?url_ver=Z39.88-2004&rft_id=10.2174%2F2212797615666220221111307&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Sinaga%2C+F.R.&rft.aulast=Sinaga&rft.aufirst=F.R.&rft.title=Recent+Patents+on+Mechanical+Engineering&rft.date=2022&rft.volume=15&rft.issn=22127976&rft.issue=3&rft.pages=319-327&rft.atitle=Computational+Approach+on+Acoustic+and+Flow+Performances+of+a+Combined+Resistive+and+Reactive+Muffler&rft.genre=article