?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Desi&rft.aulast=Sumiati&rft.au=Sumiati%2C+Desi&rft.inst=Universitas+Negeri+Padang&rft.title=Studi+Tentang+Aktivitas+Belajar+Siswa+dalam+Pembelajaran+Geografi+di+SMAN+1+Ulakan+Tapakis%2C+Kabupaten+Padang+Pariaman&rft.degree=Bachelor%2FSkripsi&rft.date=January+2013