نتائج البحث
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الهندسة والتصنيع والبناء
فيديو
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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/821224058.jpg?itok=AKyMll6h)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/bEDGmsMtFms.jpg?itok=YjZigvlc)
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/rB5JqdC1fUE.jpg?itok=3DTHU5Fk)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/AwZFUCTXo54.jpg?itok=VdogWInB)
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/9_5YAVCeT-E.jpg?itok=FBTV_PRF)
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المصفيـات: