@article{UNY72276,
           title = {Simulasi Planet dalam Tatasurya},
         journal = {Prosiding Seminar Nasional: Peneliitian, Pendidikan, dan Penerapan IPA},
          author = {Supardi Supardi},
       publisher = {FMIPA UNY},
             url = {http://eprints.uny.ac.id/72276/}
}