Bahatheg، R. O.، Jones، K.، و Voutsina، C. (2010). How the Use of Montessori Sensorial Material Supports Children’s Creative Problem Solving in the Pre-School Classroom (رسالة دكتوراه غير منشورة). University of Southampton، ساوثهامبتون. مسترجع من http://search.mandumah.com/Record/602203
Bahatheg، Raja Omar، Keith Jones، و Chronoula Voutsina. "How the Use of Montessori Sensorial Material Supports Children’s Creative Problem Solving in the Pre-School Classroom" رسالة دكتوراه. University of Southampton، ساوثهامبتون، 2010. مسترجع من http://search.mandumah.com/Record/602203