Al-Qralleh, A. M. ., Mismar, B. A. ., & Matarneh, M. . (2020). The Level of Acquisition Pertaining to Concepts of Knowledge Economy Among Physical Education Supervisors in Al-Karak Directorate of Education . Dirasat: Educational Sciences, 47(1), 618–632. Retrieved from https://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/5279