@article{
  author = {Najafi, Mina, ghahremani, mohammad, abolghasemi, mahmoud, arefi, mahbobe},
  title = {Design and explanation of   professional competencies Model for pre-school administrators},
  journal = {Journal of New Approaches in Educational Administration},
  year = {2018},
  volume = {9},
  issue = {34},
  pages = {321-344},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/1179227}
}