?url_ver=Z39.88-2004&rft_id=10.3390%2Fcatal12060636&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Zulkifli%2C+N.I.&rft.aulast=Zulkifli&rft.aufirst=N.I.&rft.date=2022&rft.title=Catalysts&rft.atitle=Effects+of+Promoter%C3%A2%EF%BF%BD%EF%BF%BDs+Composition+on+the+Physicochemical+Properties+of+Cu%2FZnO%2FAl2+O3-ZrO2+Catalyst&rft.volume=12&rft.issn=20734344&rft.issue=6&rft.genre=article