?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Hari+Kristiyanto&rft.aulast=Wahyu&rft.au=Wahyu%2C+Hari+Kristiyanto&rft.date=16+May+2009&rft.title=Seminar+Nasional+Penelitian%2C+Pendidikan%2C+dan+Penerapan+MIPA+2009&rft.atitle=PENANAMAN+KONSEP+HUKUM+LENZ+BERBASIS+LABORATORIUM+MELALUI+METODE+SUNGSANG&rft.issn=978-979-96880-5-7&rft.genre=article