@article{
  author = {farajallahi, mehran, sarmadi, mohammadreza, Nemati, S.H},
  title = {A study of the Payamenoor University's educational demand 
analysis based upon distant learning system},
  journal = {Educational researches},
  year = {2009},
  volume = {5},
  issue = {19},
  pages = {1-20},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/941178}
}