?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.jhazmat.2008.07.090&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S.&rft.au=Ghafari%2C+S.&rft.aulast=Ghafari&rft.title=Journal+of+Hazardous+Materials&rft.date=2009&rft.volume=163&rft.issn=03043894&rft.issue=2-3&rft.pages=650-656&rft.atitle=Application+of+response+surface+methodology+(RSM)+to+optimize+coagulation-flocculation+treatment+of+leachate+using+poly-aluminum+chloride+(PAC)+and+alum&rft.genre=article