@unpublished{UNY251,
          school = {UNY},
            year = {2006},
          author = {Mulyati Andi},
           title = {SIMULASI ANTRIAN TELLER BANK NTT CABANG ATAMBUA DENGAN MENGGUNAKAN DELPHI},
             url = {http://eprints.uny.ac.id/251/}
}