@unpublished{UNY2527,
          author = {Yuliani},
           title = {PENYELESAIAN MASALAH PEMROGRAMAN LINEAR FUNGS1 SASARAN GANDA DENGAN GOAL PROGRAMMING},
            year = {2005},
          school = {UNY},
             url = {http://eprints.uny.ac.id/2527/}
}