@unpublished{UNY2445,
            year = {2005},
           title = {FINITE DIFFERENCE METHOD (METODE BEDA HINGGA)DAN PENERAPANNYA PADA PERSAMAAN PERPINDAHAN PANAS},
          author = {Pawening R. Sri},
          school = {UNY},
             url = {http://eprints.uny.ac.id/2445/}
}