@article{
  author = {Chamzadeh Ghanavati, Mana, Aghaei, Asghar, Golparvar, Mohsen},
  title = {The Effect of Positive – Thinking Skills on the Pessimistic documentary Style in Primary School Boys},
  journal = {Research in Curriculum Planning},
  year = {2016},
  volume = {12},
  issue = {47},
  pages = {43-50},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/898476}
}