TY  - JOUR
AU  - goli, yousef
AU  - fathi vagargah, kourosh
AU  - safaee movahed, saeed
AU  - poushaneh, kambiz
TI  - Designing a Leadership Development Curriculum Model for Secondary School Principals Based on the Problem Solving Approach
JO  - Journal of New Approaches in Educational Administration
VL  - 16
IS  - 71
SP  - 0
EP  - 0
PY  - 2024
DO  - 10.30495/jedu.2024.32773.6596
ER  -