@article{
  author = {Jafar Tafreshi	, Leila, Yaghmaee, Farzin},
  title = {Preserving Data Clustering with Expectation Maximization Algorithm},
  journal = {Journal of Information Systems and Telecommunication (JIST) },
  year = {2016},
  volume = {4},
  issue = {15},
  pages = {1-10},
  doi = {10.7508/jist.2016.03.004},
  url = {https://rimag.ir/fa/Article/14955}
}