@article{
  author = {Taghipour, Ali, Rezai, Mohamad reza, sarvar, rahim},
  title = {An Analysis of the Developments in the Population Hierarchy System with Emphasis on the Position of the Middle Cities Case study: East Azerbaijan Province.},
  journal = {Journal of Research and Urban Planning},
  year = {2024},
  volume = {14},
  issue = {4},
  pages = {61-78},
  doi = {10.30495/jupm.2024.32803.4441},
  url = {https://sanad.iau.ir/fa/Article/1171361}
}