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تصفح حسب المؤلف "El-Amry,%20Mamdouh%20I.%20%5B%D9%85%D9%85%D8%AF%D9%88%D8%AD%20%D8%A7%D8%A8%D8%B1%D8%A7%D9%87%D9%8A%D9%85%20%D8%B9%D9%84%D9%8A%20%D8%A7%D9%84%D8%B9%D8%A7%D9%85%D8%B1%D9%8A%5D"