?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=NN%2C+Riki+Eriyanti+Andini&rft.aulast=NN&rft.aufirst=Riki+Eriyanti+Andini&rft.date=15+Januari+2012&rft.atitle=ISOLASI+DAN+KARAKTERISASI+ENZIM+PROTEASE+DARI+Actinomycetes+ISOLAT+LUMPUR+HUTAN+BAKAU&rft.title=Digital+Library&rft.genre=article