@article{
  author = {Pak Oskouei, Farah, Yari, Jahangir},
  title = {The Effect of Teaching Math through UCMAS Method on Mental Development of Children Aged 5 to 12 in Tabriz},
  journal = {Journal of Instruction and Evaluation},
  year = {2016},
  volume = {9},
  number = {33},
  pages = {105-121},
  doi = {}
}