Al Wabely، A. A. M.، و McCarthy، J. J. (1987). Assessing the Self-Concept of Educable Retarded Children in Institutions and. with Families in Saudi Arabia (رسالة دكتوراه غير منشورة). University of Wisconsin–Madison، ماديسون. مسترجع من http://search.mandumah.com/Record/615370
Al Wabely، Abd Allah M.، و James J. McCarthy. "Assessing the Self-Concept of Educable Retarded Children in Institutions And. With Families in Saudi Arabia" رسالة دكتوراه. University of Wisconsin–Madison، ماديسون، 1987. مسترجع من http://search.mandumah.com/Record/615370