<strong>ملخص الدراسة:</strong>

<strong>توثيق المرجعي (APA)</strong>

ابو غياض, سهام سليمان محمد (2017). the level of effectiveness of qrganizational development among unrwa school principals in the gaza governorates and its relation to their strategic thinking. الجامعة الإسلامية - غزة. 17368

ملخص الدراسة:

توثيق المرجعي (APA)

ابو غياض, سهام سليمان محمد (2017). the level of effectiveness of qrganizational development among unrwa school principals in the gaza governorates and its relation to their strategic thinking. الجامعة الإسلامية – غزة. 17368