نقاش عبر الويب ، مؤتمر عبر الفيديو ، التعلم الإلكتروني ، عبر الانترنت ، الحاسوب ، حاسوب محمول ، مدرس ، ليتعلم ، ليتحدث ، الاتصالات ، المتجه
الصور ذات الصلة الخالية من حقوق الملكية
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