?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Fitri%2C+Annisa&rft.aufirst=Annisa&rft.aulast=Fitri&rft.title=Analisis+Kesulitan+dan+Self-efficacy+Siswa+SMA%2FMA+Kelas+XI+Program+IPA+dalam+Pemecahan+Masalah+Matematikan+Non+Rutin+di+Kabupaten+Indragiri+Hilir+.&rft.date=30+November+2017&rft.degree=S2&rft.inst=UNY