@article{
  author = {mahaki, soltanmorad, shahidi pak, mohammadreza, dardashti, mohammad},
  title = {Local history of Helwan up to the Ottoman period},
  journal = {Journal of  History (Tarikh)},
  year = {2021},
  volume = {15},
  number = {59},
  pages = {237-255},
  doi = {}
}