?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Lauren%2C+Dwina+Ivoni&rft.aulast=Lauren&rft.aufirst=Dwina+Ivoni&rft.title=Persepsi+Siswa+Bystander+tentang+Perilaku+Bullying.&rft.inst=Universitas+Negeri+Padang&rft.date=2019&rft.degree=Bachelor%2FSkripsi