?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Rahma&rft.aulast=Yulvira&rft.au=Yulvira%2C+Rahma&rft.inst=Universitas+Negeri+Padang&rft.title=Pengaruh+Model+Problem+Based+Learning+terhadap+Kemampuan+Pemecahan+Masalah+Peserta+Didik+Kelas+X+MIPA+SMAN+1+Lubuk+Sikaping&rft.degree=Bachelor%2FSkripsi&rft.date=August+2014