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See on Wikipedia : https://ar.wikipedia.org/wiki/%D8%AC%D9%85%D8%B9%D9%8A%D8%A9 %D8%B5%D9%86%D8%AF%D9%88%D9%82 %D8%A5%D8%B9%D8%A7%D9%86%D8%A9 %D8%A7%D9%84%D9%85%D8%B1%D8%B6%D9%89 (%D8%A7%D9%84%D9%83%D9%88%D9%8A%D8%AA).
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