@article{UNY24111,
         journal = {International Seminar on Innovation in Mathematics and Mathematics Education},
            year = {2014},
           title = {An application of Max Plus Algebra in Cryptography},
       publisher = {Departement of Mathematics EducationFaculty of Mathematics and Natural Science Yogyakarta State University},
          author = {. Musthofa},
             url = {http://eprints.uny.ac.id/24111/}
}