FAYYAD ALKHAZALEH, Mohammad Salman; KHALIFA HATTAMLEH, Habes Mohammed. The Educational Supervisor’s Performance in Light of Applying the Knowledge Economy in the Education Directorates of Zarqa Governorate in the Hashemite Kingdom of Jordan. Center for Educational Policy Studies Journal, [S.l.], july 2019. ISSN 2232-2647. Available at: <https://ojs.cepsj.si/index.php/cepsj/article/view/727>. Date accessed: 20 july 2019. doi: https://doi.org/10.26529/cepsj.727.