الماء و البيئة
Posted on Jan 19, 2009 |
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ان هذا الملف يوضح الطرق الحديثة في المحافظة على المياه.و استغلال الماء بكميات محدودة نظرا لنقصه فى مناطق عديدة من العالم .
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Facilitating a more inclusive, peaceful and sustainable world through programs for youth.
Youth Resources
Youth Resources
Facilitating a more inclusive, peaceful and sustainable world through programs for youth.
Teacher Resources
Teacher Resources
Explore our free educational programs and capacity-building resources that help educators foster deep learning competencies through real-world problem solving.
Program Areas
Program Areas
Facilitating a more inclusive, peaceful and sustainable world through programs for youth.
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