?url_ver=Z39.88-2004&rft_id=10.1007%2F978-981-15-2485-1%E2%82%83%E2%82%83%E2%82%89&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=K.E.H.K.&rft.aulast=Ishak&rft.au=Ishak%2C+K.E.H.K.&rft.isbn=9789811524844&rft.issn=18668755&rft.date=2020&rft.atitle=The+Influence+of+Polymers+to+the+Oil-Water+Separation+in+Liquid-Liquid+Hydrocyclone&rft.pages=3727-3737&rft.title=Springer+Series+in+Geomechanics+and+Geoengineering&rft.genre=article