@article{
  author = {Sattari, Sadraddin, Jafarnejad, AbdolReza},
  title = {The Effective Factors on not Using Teaching Aids in the Process of Teaching and Learning from Teachers’ Point of View in Mazandaran Province},
  journal = {Information and Communication Technology in Educational Sciences},
  year = {2011},
  volume = {1},
  number = {2},
  pages = {5-20},
  doi = {}
}