@phdthesis{UNY5845,
            year = {2011},
           month = {April},
          author = {NURROHMAH HANIF },
           title = {PEMBUATAN MODUL PRAKTIK JARINGAN KOMPUTER BERBASIS PACKET TRACER 5.2},
          school = {UNY},
             url = {http://eprints.uny.ac.id/5845/}
}