?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Desnita&rft.aulast=Desnita&rft.au=Desnita%2C+Desnita&rft.atitle=PF-57%3A+Strategi+Workshop+Penyusunan+Bahan+Ajar+Fisika+Berbasis+Problem+Based+Learning+Bagi+Guru+SMA%2FMA&rft.title=Universitas+Negeri+Padang&rft.pages=190-195&rft.genre=article