a member staff at history department contribute the discussion of doctorate thesis in tikrit university .

dr.mahmmod hemadi a one of member staff of history dept contribute in discussion of doctorate thesis entitled ( the forts and castile of Crusaders in the sham area and its role in the war with Muslims in the 6^th -7^th century ) for the student ( antisar shaker . the discussion held on the posy-graduation hall in tikeit university .