?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Ilham&rft.au=Ilham%2C+Bayu+Muhammad&rft.aufirst=Bayu+Muhammad&rft.inst=Universitas+Negeri+padang&rft.date=February+2021&rft.degree=Bachelor%2FSkripsi&rft.title=Pengaruh+Tegangan+Listrik+dan+Konsentrasi+Larutan+Elektrolit+pada+Proses+Pemurnian+Timah+(Sn)+Berdasarkan+Metoda+Electrolytic+Refining+di+Unit+Metalurgi+PT.+Timah+Tbk%2C+Muntok%2C+Bangka+Barat%2C+Bangka+Belitung