?url_ver=Z39.88-2004&rft_id=10.3989%2Fgya.0216161&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.&rft.aulast=Mushtaq&rft.au=Mushtaq%2C+M.&rft.date=2016&rft.title=Grasas+y+Aceites&rft.atitle=A+novel+hybrid+catalyst+for+the+esterification+of+high+FFA+in+Jatropha+oil+for+biodiesel+production&rft.volume=67&rft.issn=00173495&rft.issue=3&rft.genre=article