El-Massry, Marwan. “The Degree of Practicing Transactional Leadership Among ‎Secondary School Principals in Gaza Governorates and Its ‎Relation to Their Level of Organizational Ambidexterity”. Jordan Journal of Educational Sciences 16, no. 1 (March 1, 2020): 65–82. Accessed March 29, 2025. https://jjes.yu.edu.jo/index.php/jjes/article/view/789.