@article{
  author = {kardan, AhmadAgha, Kaihani nejad, Mina},
  title = {Presenting a model for extracting information from text documents, based on text-mining in the field of e-learning},
  journal = {Journal of Information and Communication Technology},
  year = {2012},
  volume = {4},
  number = {12},
  pages = {47-54},
  doi = {}
}