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https://pecritique.com/2019/09/01/%d8%a7%d9%85%d8%a7%d9%86%d9%88%d8%a6%d9%84-%d9%88%d8%a7%d9%84%d8%b1%d8%b4%d8%aa%d8%a7%db%8c%d9%86-1930-2019/
امانوئل والرشتاین (1930-2019)