?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Hattu&rft.au=Nikmans%2C+Hattu&rft.aulast=Nikmans&rft.title=Seminar+Nasional+Penelitian%2C+Pendidikan%2C+dan+Penerapan+MIPA+2009&rft.date=16+May+2009&rft.issn=978-979-96880-5-7&rft.atitle=Seminar+Nasional+Penelitian%2C+Pendidikan%2C+dan+Penerapan+MIPA+2009&rft.genre=article