?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Sahlan&rft.aulast=Sahlan&rft.au=Sahlan%2C+Sahlan&rft.inst=Universitas+Negeri+Padang&rft.title=Pengetahuan+dan+Pemahaman+Siswa+SMAN+13+Padang+tentang+Perilaku+Asusila.&rft.degree=Bachelor%2FSkripsi&rft.date=2017