?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.biombioe.2010.04.027&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S.&rft.au=Yusup%2C+S.&rft.aulast=Yusup&rft.atitle=Base+catalyzed+transesterification+of+acid+treated+vegetable+oil+blend+for+biodiesel+production&rft.pages=1500-1504&rft.volume=34&rft.issn=09619534&rft.issue=10&rft.date=2010&rft.title=Biomass+and+Bioenergy&rft.genre=article