@phdthesis{UNY16568,
           title = {EFEKTIVITAS PENAMBAHAN PROPOLIS DALAM PAKAN BUATAN
TERHADAP SIFAT KELAMIN JANTAN LOBSTER AIR TAWAR
(Cherax quadricarinatus)},
          school = {UNIVERSITAS NEGERI YOGYAKARTA},
            year = {2014},
          author = {M. Ali Masykur},
           month = {June},
             url = {http://eprints.uny.ac.id/16568/}
}