@article{
  author = {Nemat Tavousi, Mohtaram, Saif, Ali Akbar},
  title = {The Influence of Age and Gender on the Development of Strategic
Arithmetic Competency in Iranian Children},
  journal = {Journal of Developmental Psychology Iranian Psychologists},
  year = {2005},
  volume = {1},
  number = {4},
  pages = {10-27},
  doi = {}
}