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ألف معجب حقيقي – فريق د.مجدي العطار
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ألف معجب حقيقي

كتاب ومعلومة (1): مشهور في 3 شهور

كم متابع تحتاج لتصبح مؤثر ومشهور؟ عليك إذًا بنظرية “ألف معجب حقيقي”. هي نظرية صاغها كيفين كيلي، رئيس تحرير مجلة …اقرأ المزيد

صورة الملف الشخصيد.مجدي العطار19/06/2021
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