نتائج البحث
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/5qBQFdQO8Fs.jpg?itok=0iqyDB_y)
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/5t8ZdyPjnDM.jpg?itok=Dae2-CR3)
العلوم الطبيعية والرياضيات والإحصاء
فيديو
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/organization-logo/Web%201920%20%E2%80%93%2014.png?itok=GrXQdwA4)
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/XAzidssav8U.jpg?itok=46ihupqV)
الهندسة والتصنيع والبناء
فيديو
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/organization-logo/Group%2036.png?itok=2YTbU6cn)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/-wSR8wzDXwk.jpg?itok=fbXoPydL)
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المصفيـات: