?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Tia&rft.aulast=Sumardi&rft.au=Sumardi%2C+Tia&rft.inst=Universitas+Negeri+padang&rft.title=Persepsi+Siswa+tentang+Perilaku+Seksual+Remaja&rft.degree=Bachelor%2FSkripsi&rft.date=February+2018