?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Dewi&rft.au=Susanna%2C+Dewi&rft.aulast=Susanna&rft.volume=2&rft.issue=3&rft.atitle=Penentuan+Kadar+Nikotin+dalam+Asap+Rokok&rft.issn=1412-4025&rft.title=Jurnal+Ekologi+Kesehatan&rft.date=2003&rft.genre=article