?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.biombioe.2010.07.006&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.A.&rft.aulast=Khan&rft.au=Khan%2C+M.A.&rft.date=2010&rft.title=Biomass+and+Bioenergy&rft.pages=1751-1756&rft.atitle=Acid+esterification+of+a+high+free+fatty+acid+crude+palm+oil+and+crude+rubber+seed+oil+blend%3A+Optimization+and+parametric+analysis&rft.issue=12&rft.volume=34&rft.issn=09619534&rft.genre=article