(3Gda cdeI dCejQ GdeDefjf YeQ Hf GdNWGH (B/s - (3SGeQGFi, jhfS GdTjN GHQGgjes (al-Qahirah : Matba'at al-Ummah, 1973)
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Keywords: 'Umar ibn al-Khattab, -- Caliph, -- d. 644