?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Hashim%2C+N.&rft.aulast=Hashim&rft.aufirst=N.&rft.issue=20&rft.volume=11&rft.issn=18196608&rft.pages=12017-12022&rft.atitle=Application+of+taguchi's+method+on+the+purifying+process+of+tronoh+silica+sand+via+mechanical+milling+and+ultrasonic+bath&rft.title=ARPN+Journal+of+Engineering+and+Applied+Sciences&rft.date=2016&rft.genre=article