The purpose of this paper is use the Dynamic Programming to solve a deterministic periodic review model for inventory problem and then to find the optimal policies that the company must uses in the purchase or production  (in the practical application example the Al Aksa company purchase the generators from out side country).

the  civil relation between Iraqis and Egyptian was close , it is clear that is the opening relation between two countries esoecally in trade and demand education , but after mongle occupation  , For the capital of the Abbasid Caliphate, the situation in  Baghdad, had changed in 656 AH/1258 AD,  the Iraqi migration  started security and safety, including scholars and writers, in addition to the presence of entire Iraqi families who immigrated to Egypt and resided there, including the family of Al-Hafiz Al-Iraqi The Ibn al-Kwaik family, the subject of the study, had an important impact on the scientific movement in Egypt.

The problem of job burnout has become one of the main problems for researchers in social welfare organizations (social protection bodies) - one of the formations of the Ministry of Labor and Social Affairs. Its negative effects increased in light of the COVID-19 pandemic, and in light of the Corona pandemic, the pressures and burdens of workers varied, which resulted in high rates of anxiety, tension, and intellectual and physical exhaustion, and then negatively affected their efficiency in performing work at the individual and organizational level, especially after the increasing tasks of these Bodies in carrying out their role in achieving the general goals and objectives as being The general goals are that they are responsible for provid

Abstract:
The Palestinian existence in Lebanan is regard as active Arab powers
in political system in Lebanan. This existence arises exactly in Lebanan on 5 /
June / 1967. The Palestinians distributed from south to north, from Bayrouth

to Al-Bquaa, also they lived in Camps like (Tal Al-Zater), (Aen Al-hlwa, Mya –
Mya) and so on.
The armed Palestinian resistance breakout from these camps in
Lebanan against Israel, Lebanon rejected this conflict to avoid any
confrontation with Israel which have big military and high ability in different
aspects in addition security of Lebanan did not connected with security of
Arab states in other side the civil war which break out in Lebanon impact upon
Palestinians

Information Technology has become one of the Most Prominent tools in the Era of Technology and Telecommunication of our Digital World. For that Reasons most Organizations had taken the tools Adapted to their Present and Future Directions and for the Improvement for it's Operations and Workability in Internal or External Enviroment. Consequently the Points of Strength Beats the Weakness and as Result of Increase Opportunities and Decrease the Threats Facing these Organizations. This Search has been made to test the Existence or not Existence role of the Information Network Technologies that Include {Internet and Extranet} in Application of Information Technology t

the  civil relation between Iraqis and Egyptian was close , it is clear that is the opening relation between two countries esoecally in trade and demand education , but after mongle occupation  , For the capital of the Abbasid Caliphate, the situation in  Baghdad, had changed in 656 AH/1258 AD,  the Iraqi migration  started security and safety,

المنطق منهجا نقديا - دراسة في قراءة الشكل الجمالي كتاب (المنطق منهجا نقدياً – دراسة في قراءة الشكل الفني) يهتم الكتاب بدراسة التصورات المنطقية في الفنون التشكيلية وهو يقع في اربعة فصول خصص الاول منها لبيان المنهجية والفكرة العامة عن علاقة المعرفة بالقواعد الفكرية والقواعد المنطقية موضحا ذلك في (مدخل عام) وتعلق الفصل الثاني بالمفاهيم المنطقية وما كتبه علماء المنطق في عرض شامل ومكثف تناول فيه المؤلف مفهوم ال

تعد التجارب المختبرية من أهم الوسائل التي تمكن من فهم خصائص المواد الكيميائية وسلوكها، كما إنها الوسيلة الوحيدة لتحضير المركبات الكيميائية المختلفة. وقد أدى تطور التكنولوجيا في الوقت الحاضر إلى إستخدام أدوات وأجهزة قياس في المختبر مكنت من زيادة دقة نتائج التجارب وسرعة الحصول عليها. أن تفعيل المختبر وإجراء الأنشطة العملية يمكن أن تحقق عدة أمور منها : 1- تُنمي في الطالب مهارات التفكير العلمي ( الملاحظ