@article{
  author = {Abbaspour, Abbas, Pourkarimi, Javad, Rahimian, Hamid, Elzami, Esmat, Khorsandi Taskoh, Ali},
  title = {In Search of an Effective Framework for the Professional  Development of Primary School Principals},
  journal = { Quarterly Journal of Training and Development of Human Resources},
  year = {2021},
  volume = {8},
  number = {30},
  pages = {109-133},
  doi = {10.52547/istd.31395.8.30.109}
}