@article{
  author = {Hosseini, Parviz, foroozani, seyed abolghasem},
  title = {The role of the  institution of the ministry in the relationship between the Iraqi Seljuk monarchy and the Abbasid caliphate.},
  journal = {Journal of History},
  year = {2020},
  volume = {15},
  number = {58},
  pages = {21-44},
  doi = {}
}