?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Sandi&rft.au=Sandi%2C+Dini+Ermi&rft.aufirst=Dini+Ermi&rft.degree=Bachelor&rft.date=16+November+2019&rft.inst=Universitas+Prof.Dr.+Hamka&rft.title=Analisis+Pemahaman+Konsep+Biologi+Siswa+Kelas+XI+Pada+Materi+Sistem+Perencanaan