?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Fattah%2C+Miftah+Al&rft.aufirst=Miftah+Al&rft.aulast=Fattah&rft.date=21+November+2025&rft.title=Analisa+Kualitas+Kefir+Susu+sapi+Dengan+Penambahan+Puree+Ubi+Jalar+Ungu&rft.inst=Universitas+Negeri+Padang&rft.degree=Bachelor%2FSkripsi