@phdthesis{UNY19319,
          author = {Witdiyati Witdiyati},
          school = {UNIVERSITAS NEGERI YOGYAKARTA},
           title = {UJI KUALITAS DAN HYGIENE SANITASI TAHU PADA BERBAGAI
VARIASI PENGOLAHAN},
           month = {August},
            year = {2013},
             url = {http://eprints.uny.ac.id/19319/}
}