Ghasemzadeh, Koorosh, Parivash Jaafari, and Nadergholi Ghourchian. 2022. “Providing A Model for Promotion of the Vice-Principals’ Role to Educational Leadership in Primary Schools of Mazandaran Province”. Iranian Journal of Educational Sociology 1 (7): 37-49. https://qijes.com/index.php/ijes/article/view/732.