Aseeri، M. M.، و Mitias، R. (2000). AN INVESTIGATION OF THE RELATIONSHIP BETWEEN STUDENTS' FORMAL LEVEL OF COGNITIVE DEVELOPMENT, LEARNING STYLES, AND MATHEMATICS ACHIEVEMENT IN ELEVENTH GRADE IN ABHA, SAUDI ARABIA (رسالة دكتوراه غير منشورة). Ohio University، أثينس. مسترجع من http://search.mandumah.com/Record/611694
Aseeri، Mohammed Muffareh، و Ragy Mitias. "AN INVESTIGATION OF THE RELATIONSHIP BETWEEN STUDENTS' FORMAL LEVEL OF COGNITIVE DEVELOPMENT, LEARNING STYLES, AND MATHEMATICS ACHIEVEMENT IN ELEVENTH GRADE IN ABHA, SAUDI ARABIA" رسالة دكتوراه. Ohio University، أثينس، 2000. مسترجع من http://search.mandumah.com/Record/611694