?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=N+F+Widarti%2C+-&rft.aulast=N+F+Widarti&rft.aufirst=-&rft.issue=2&rft.volume=4&rft.date=2019&rft.atitle=Analisis+Kemampuan+Penalaran+(Reasoning+Skill)+Siswa+tentang+Usaha+dan+Energi+di+MA+Mu%E2%80%99allimaat+Muhammadiyah+Yogyakarta&rft.title=JRPF+(Jurnal+Riset+Pendidikan+Fisika)%2C&rft.pages=79-84&rft.genre=article