?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Ufairah%2C+Nazhifah&rft.aulast=Ufairah&rft.aufirst=Nazhifah&rft.title=Implementasi+Kebijakan+Kawasan+Tanpa+Rokok+dalam+Mencegah+Perilaku+Merokok+di+Kalangan+Pelajar+SMAN+2+Padang&rft.inst=Universitas+Negeri+Padang&rft.date=2025&rft.degree=Bachelor%2FSkripsi