?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Efrima&rft.aulast=Yanti&rft.au=Yanti%2C+Efrima&rft.inst=Universitas+Negeri+Padang&rft.degree=Bachelor%2FSkripsi&rft.date=January+2016&rft.title=Pengembangan+Program+Kebersihan%2C+Keamanan%2C+dan+Ketertiban+(K3)%3A+Studi+pada+Objek+Pariwisata+Pantai+Purus+Kota+Padang