@article{
  author = {Madhusudhan, M., Fathi, Soroush, Haji Shamsaii, Ali},
  title = {The Role of Digital Libraries and Information Centers in E-Learning},
  journal = {Iranian Sociological Review},
  year = {2011},
  volume = {1},
  number = {2},
  pages = {119-124},
  doi = {}
}