@article{
  author = {Piran, Mohamad Javad, deypir, mahmud},
  title = {An access control model for online social networks using user-to-user relationships},
  journal = {Journal of Information and Communication Technology},
  year = {2021},
  volume = {12},
  issue = {45},
  pages = {53-70},
  doi = {},
  url = {https://rimag.ir/fa/Article/14713}
}