@article{
  author = {Jafari Rad, ali, Azizi, mostafa, Moharami, niloufar},
  title = {Secondary School Principal Competency Model: A Mixed Study},
  journal = { Quarterly of Talent Development},
  year = {2024},
  volume = {1},
  number = {1},
  pages = {91-122},
  doi = {}
}