AlAzzawi M, منتهى, Abdul Hussein S, صفاء, Mohsen K, كرار. The level of administrative modernization and its relationship to the professional performance of school principals National secondary school. JEH [Internet]. 2025 Jun. 25 [cited 2025 Sep. 7];4(16):765-88. Available from: https://ojs.uomosul.edu.iq/index.php/jeh/article/view/44261