?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Nn%2C+Yanti+Oktriani&rft.aulast=Nn&rft.aufirst=Yanti+Oktriani&rft.date=14+Januari+2012&rft.atitle=Nn&rft.title=Digital+Library&rft.genre=article