Al Noursi، O. H.، Al Jadri، A.، و Dweik، B. S. (2009). The Effect of Native and Nonnative English Language Teachers on Secondary Students Achievement in Speaking and Writing Skills and Their Attitudes towards English in the United Arab Emirates (رسالة دكتوراه غير منشورة). جامعة عمان العربية، عمان. مسترجع من http://search.mandumah.com/Record/635164
Al Noursi، Omar Hussein، Adnan Al Jadri، و Bader Saed Dweik. "The Effect of Native and Nonnative English Language Teachers On Secondary Students Achievement in Speaking and Writing Skills and Their Attitudes Towards English in the United Arab Emirates" رسالة دكتوراه. جامعة عمان العربية، عمان، 2009. مسترجع من http://search.mandumah.com/Record/635164