?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.aej.2019.12.030&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Z.A.&rft.au=Abdul+Karim%2C+Z.A.&rft.aulast=Abdul+Karim&rft.title=Alexandria+Engineering+Journal&rft.date=2020&rft.volume=59&rft.issn=11100168&rft.issue=1&rft.atitle=The+characteristics+of+water-in-biodiesel+emulsions+produced+using+ultrasonic+homogenizer&rft.pages=227-237&rft.genre=article