?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.petrol.2020.108241&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Atta%2C+D.Y.&rft.aulast=Atta&rft.aufirst=D.Y.&rft.atitle=Influence+of+natural+L-amino+acids+on+the+interfacial+tension+of+an+oil-water+system+and+rock+wettability+alterations&rft.volume=199&rft.issn=09204105&rft.date=2021&rft.title=Journal+of+Petroleum+Science+and+Engineering&rft.genre=article