@article{
  author = {SHirbagi, ناصر, Azizi, نعمت اله, Zebardast, محمد امجد, Nosrati, رقیه},
  title = {A Study of the Relationship between Self-efficacy and Leadership Effectiveness of High School Principals in Gilan},
  journal = {Journal of New Approaches in Educational Administration},
  year = {2012},
  volume = {3},
  number = {12},
  pages = {37-50},
  doi = {}
}