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 The Military Impact of the Fortresses and Fortresses on the Banks of the Euphrates in the Crusades between the Muslims and the Crusaders during the Sixth Century AH / Twelfth century AD.
<em>Journal Of Tikrit University For Humanities - مجلة جامعة تكريت للعلوم الانسانية, 27</em>(8), 190-167.
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