@article{
  author = {Salehikhah, Gulnar , Bastam, Maryam , Bastam, ziba},
  title = {The effect of collaborative learning method on first grade students of Yasouj city},
  journal = { Environmental sciences and geography knowledge},
  year = {2021},
  volume = {1},
  issue = {2},
  pages = {-},
  doi = {},
  url = {https://rimag.ir/fa/Article/41565}
}