@article{
  author = {soleimani, Mohammad, Ahmadi, Mazhar, Zanganeh, Ahmad, kamanrodi, mosa},
  title = {The analysis of the spatial structure of Qom metropolis  with emphasis on the formation of sub-cores},
  journal = {Iranian Islamic city studies},
  year = {2020},
  volume = {10},
  number = {36},
  pages = {5-22},
  doi = {}
}