استشهادات التسجيلة

توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

World Health Organization. (1994). Operation and Maintenance of Urban Water Supply and Sanitation Systems: A guide for managers. World Health Organization.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

World Health Organization. Operation and Maintenance of Urban Water Supply and Sanitation Systems: A Guide for Managers. Switzerland: World Health Organization, 1994.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

World Health Organization. Operation and Maintenance of Urban Water Supply and Sanitation Systems: A Guide for Managers. World Health Organization, 1994.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.

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Institute of National Planning (INP) was established by Law No. 231 of 1960 as a think-tank public institution with an independent legal personality to enhance the theory and practice of planning in Egypt through: research, training and educational activities. Also, INP aims at providing technical support to Ministry of Planning, as well as to all national ministers and institutions, through spreading a culture of planning in Egyptian society.

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