?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=0617011054%2C+RIKA+YANA&rft.aulast=0617011054&rft.aufirst=RIKA+YANA&rft.date=4+Pebruari+2012&rft.atitle=PERBANDINGAN+DAYA+ANTIBAKTERI+MADU%2C+EKSTRAK+LEM+LEBAH+(Propolis)+DAN+AMPISILIN+TERHADAP+Staphylococcus+aureus+DAN+Escherichia+col&rft.title=Digital+Library&rft.genre=article