?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Septianti%2C+Devi&rft.aufirst=Devi&rft.aulast=Septianti&rft.inst=Universitas+Muhammadiyah+Prof.+Dr.+Hamka&rft.degree=Bachelor&rft.title=ANALISIS+KEMAMPUAN+MEMECAHKAN+MASALAH+SISWA+KELAS+XI+MIPA+PADA+MATERI+EKOSISTEM+DI+SMAN+88+JAKARTA&rft.date=2019