TY - JOUR AU - Imani, Mohammad Naqi AU - , Hashem Hamad Hashem Al-Badri, Maryam AU - Sharifi, Asghar AU - Nadi , Mohammad Ali AU - Saleh Al-Tamimi, Mohammad Mahmoud Hadi TI - Validation of the implementation model of the supervisory role of secondary school principals JO - Educational Leadership & administration VL - 18 IS - 3 SP - 165 EP - 188 PY - 2025 DO - ER -