Bin Batal، Z. M.، و Hughes، C. A. (1998). An Assessment of Burnout and its Correlates Among Special Education Teachers of Hearing Impaired, Mentally Retarded, and Visually Impaired Students in Special Schools in the Kingdom of Saudi Arabia (رسالة دكتوراه غير منشورة). Pennsylvania State University، بنسلفانيا. مسترجع من http://search.mandumah.com/Record/611463
Bin Batal، Zaed M.، و Charles A. Hughes. "An Assessment of Burnout and Its Correlates Among Special Education Teachers of Hearing Impaired, Mentally Retarded, and Visually Impaired Students in Special Schools in the Kingdom of Saudi Arabia" رسالة دكتوراه. Pennsylvania State University، بنسلفانيا، 1998. مسترجع من http://search.mandumah.com/Record/611463