@article{
  author = {teymori, Zeynab},
  title = {The Study  investigates  the effect of using educational softwares on learning the concepts of pre-mathematical number of pre-school children of Tabriz},
  journal = {Journal of Instruction and Evaluation},
  year = {2016},
  volume = {3},
  number = {11},
  pages = {65-78},
  doi = {}
}