Al Zaid، S. I.، و Perez، R. (2012). Perceptions of Teachers about the Challenges of Integrating Hearing Impaired Children in Mainstream Primary Schools: A Case Study in Riyadh, Saudi Arabia (رسالة ماجستير غير منشورة). London Metropolitan University، لندن. مسترجع من http://search.mandumah.com/Record/612430
Al Zaid، Sarah Ibraheem، و Rossana Perez. "Perceptions of Teachers About the Challenges of Integrating Hearing Impaired Children in Mainstream Primary Schools: A Case Study in Riyadh, Saudi Arabia" رسالة ماجستير. London Metropolitan University، لندن، 2012. مسترجع من http://search.mandumah.com/Record/612430