@phdthesis{UNY28649,
          author = {Ratna Yunita Sari},
           title = {UJI KEMAMPUAN ISOLAT BAKTERI TERMOFILIK ASAL KALI GENDOL ATAS PASCA ERUPSI MERAPI DALAM MEREDUKSI LOGAM BERAT TIMBAL (Pb)},
          school = {Universitas Negeri Yogyakarta},
            year = {2015},
             url = {http://eprints.uny.ac.id/28649/}
}