Voicethreads

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Mostafa Galal El Deen - Game-based learning: [|https://voicethread.com/?#u2132363.b2307040.i12229123]

Youssef Shaker- E-books: http://voicethread.com/share/2308464/

Omar Ismail Critical Challenges: http://voicethread.com/?#u2133290.b2330940.i12349323