@phdthesis{UNY22648,
          author = {Ericha Novita Sari},
          school = {UNIVERSITAS NEGERI YOGYAKARTA},
           title = {UJI ANGKA KUMAN DAN GAMBARAN SANITASI RUANG INSTALASI
GAWAT DARURAT DAN INSTALASI BEDAH RUMAH SAKIT
DI KODYA YOGYAKARTA},
            year = {2011},
           month = {August},
             url = {http://eprints.uny.ac.id/22648/}
}