@article{
  author = {shafiee, nafiseh, شجری, مهدی },
  title = {Key management in digital rights management systems in offline mode},
  journal = {Journal of Information and Communication Technology},
  year = {2015},
  volume = {7},
  issue = {24},
  pages = {79-88},
  doi = {},
  url = {https://rimag.ir/fa/Article/8323}
}