M. Gohari Moghadam, M. Shariatmadari, and A. Khorshidi, “Presenting the Competency model of High School Principals in Guilan Province (Mixed Approach)”, IJES, vol. 5, no. 3, pp. 112–127, June 2022, Accessed: Oct. 25, 2026. [Online]. Available: https://www.qijes.com/index.php/ijes/article/view/1088