?url_ver=Z39.88-2004&rft_id=10.1007%2Fs13399-016-0207-9&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=L.F.&rft.aulast=Chuah&rft.au=Chuah%2C+L.F.&rft.issue=1&rft.atitle=Optimisation+on+pretreatment+of+kapok+seed+(Ceiba+pentandra)+oil+via+esterification+reaction+in+an+ultrasonic+cavitation+reactor&rft.pages=91-99&rft.volume=7&rft.title=Biomass+Conversion+and+Biorefinery&rft.issn=21906815&rft.date=2017&rft.genre=article