@unpublished{UNY1461,
           title = {KOINTEGRASI DAN MODEL KOREKSI KESALAHAN PADA DATA TIME SERIES NONSTASIONER SERTA PENERAPANNYA},
          author = {Budiharti},
            year = {2007},
          school = {UNY},
             url = {http://eprints.uny.ac.id/1461/}
}