Hasouneh, Dr. Osama A. «Organizational Change and Its Relationship to the Quality of Performance of Principals of Secondary Schools in Al Balqa Governorate from Their assistants’ Point of». Opción 360 (1): 2506-2544. Accedido agosto 2, 2025. http://www.produccioncientifica.luz.edu.ve/index.php/opcion/article/view/32569.