?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.&rft.aulast=Ayoub&rft.au=Ayoub%2C+M.&rft.issn=18196608&rft.date=2016&rft.issue=4&rft.atitle=Investigation+of+biodiesel-drive+glycerol+conversion+to+polyglycerol+over+basic+modified+AlPC+catalyst&rft.pages=2668-2672&rft.volume=11&rft.title=ARPN+Journal+of+Engineering+and+Applied+Sciences&rft.genre=article