@phdthesis{UNY2212,
          school = {UNY},
            year = {2011},
           month = {November},
           title = {OPTIMISASI PEMROGRAMAN CEMBUNG MENGGUNAKAN SYARAT KUHN-TUCKER},
          author = {- Supomo},
             url = {http://eprints.uny.ac.id/2212/}
}