?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Lulus&rft.au=Indriyanti%2C+Lulus&rft.aulast=Indriyanti&rft.inst=UNY&rft.degree=S2&rft.date=31+August+2015&rft.title=Keefektifan+Model+Pembelajaran+Discovery+dan+Problem+Based+Learning+Ditinjau+dari+Keterampilan+Proses+dan+Pemahaman+Konsep+IPA+SMP+Materi+Suhu+dan+Pemuaian