?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.seppur.2018.12.033&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Ismail&rft.au=Ismail%2C+M.&rft.aufirst=M.&rft.atitle=Experimental+and+theoretical+study+on+extraction+and+recovery+of+naphthenic+acid+using+dicyanamide-based+ionic+liquids&rft.pages=199-212&rft.volume=213&rft.issn=13835866&rft.date=2019&rft.title=Separation+and+Purification+Technology&rft.genre=article