@article{
  author = {Balali, Roghyeh},
  title = {The Developmental Process of Types of Egocentrism Using Content
Analysis of Children and Adolescents’ Books},
  journal = {Journal of Developmental Psychology Iranian Psychologists},
  year = {2004},
  volume = {1},
  number = {2},
  pages = {77-90},
  doi = {}
}