الفهرس 
الفصل الأوليوجد فقط 14 صفحة متاحة للعرض العام
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المستخلص
The research aims to achieve the following objectives:
1 - Recognition of the theoretical foundations associated with the management of institutional time in public secondary schools in the light of administrative thought -
Contemporary.
2 to clarify the relationship between the management of institutional time and some variables related to the leaders of the school -
In the general secondary schools in Sohag governorate.
3 Access to a proposed vision for the development of the performance of school leaders in secondary schools in Sohag governorate in light of -
Institutional Time Management.