@article{
  author = {Azizi, zahra, shams, majid},
  title = {An Analysis of the Status of Towns in the Urban Hierarchy System (A Case Study of Sarpol-e Zahab Town, Kermanshah Province)},
  journal = {},
  year = {2020},
  volume = {13},
  number = {48},
  pages = {199-221},
  doi = {}
}