Mhanna, Osama, Syrian Arab Republic

• Tishreen University Journal- Arts and Humanities Sciences Series Vol. 39 No. 4 (2017): الآداب والعلوم الانسانية - Articles
  Mogul European Communications between the years ( 643/650) AH _(1245/1253)AD The aim and the reasons of failure
  Abstract  PDF (العربية)
• Tishreen University Journal- Arts and Humanities Sciences Series Vol. 40 No. 2 (2018): الآداب والعلوم الإنسانية - Articles
  Factors of failure of the Ayyubid state
  Abstract  PDF (العربية)