Kamel, Jinan. “Managing Knowledge Processes Among the Principals and Principals of the Schools of the Privileged and the Distinguished from the Point of View of the Assistants and Teachers”. Al-Adab Journal, no. 112 (June 15, 2015): 549-586. Accessed August 18, 2021. https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/1477.