?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.proeng.2016.06.606&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=M.&rft.aulast=Ayoub&rft.au=Ayoub%2C+M.&rft.title=Process+Optimization+for+Biodiesel+Production+from+Waste+Frying+Oil+over+Montmorillonite+Clay+K-30&rft.date=2016&rft.issn=18777058&rft.genre=proceeding