@phdthesis{UNY12702,
          school = {UNY},
            year = {2014},
           month = {October},
           title = {Aplikasi Aljabar Min-Plus untuk Mengamankan Informasi Rahasia},
          author = {Dimas Ridwan Wicaksono},
             url = {http://eprints.uny.ac.id/12702/}
}