@article{
  author = {Mansouri, Saeedeh},
  title = {Understanding the Challenge of Middle Level Leadership in Schools: Analysis of the Effect of Principals' Educational Leadership on the Role of Assistants},
  journal = {Curriculum Development and Educational Planning Research},
  year = {2024},
  volume = {14},
  number = {1},
  pages = {-},
  doi = {}
}