?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Pratiwi%2C+Sela+Ardelia&rft.aulast=Pratiwi&rft.aufirst=Sela+Ardelia&rft.degree=Bachelor&rft.inst=Universitas+Muhammadiyah+Prof.+DR.+Hamka&rft.date=2019&rft.title=Pengaruh+Strategi+Pembelajaran+Preview%2C+Question%2C+Read%2C+Reflect%2C+Recite%2C+Dan+Review+(PQ4R)+Terhadap+Pemahaman+Konsep+Siswa+pada+Materi+Ekosistem+Di+SMAN+14+Bekasi