?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Supardi&rft.aulast=Supardi&rft.au=Supardi%2C+Supardi&rft.atitle=Simulasi+Planet+dalam+Tatasurya&rft.issn=978-979-99314-5-0&rft.title=Prosiding+Seminar+Nasional%3A+Peneliitian%2C+Pendidikan%2C+dan+Penerapan+IPA&rft.genre=article