Al Saeid، H. I. K.، و Hammond، M. (2011). The Opportunities and Constraints Experienced by Students and Teachers Using Online Systems for Learning English at King Abdulaziz University Saudi Arabia (رسالة دكتوراه غير منشورة). University of Warwick، كوفنتري. مسترجع من http://search.mandumah.com/Record/610907
Al Saeid، Hanan Ismail Kutubkhanah، و Michael Hammond. "The Opportunities and Constraints Experienced By Students and Teachers Using Online Systems for Learning English At King Abdulaziz University Saudi Arabia" رسالة دكتوراه. University of Warwick، كوفنتري، 2011. مسترجع من http://search.mandumah.com/Record/610907