Abed، M. G.، و Pearson، S. (2013). The Knowledge and Beliefs Concerning ADHD Held by Children, Parents and Teachers in Saudi Arabia (رسالة دكتوراه غير منشورة). University of Leeds، ليدز. مسترجع من http://search.mandumah.com/Record/601761
Abed، Mohaned Ghazi، و Susan Pearson. "The Knowledge and Beliefs Concerning ADHD Held By Children, Parents and Teachers in Saudi Arabia" رسالة دكتوراه. University of Leeds، ليدز، 2013. مسترجع من http://search.mandumah.com/Record/601761