Ghabban، A. M. I.، و Byars، J. A. (1992). KANSAS HIGH SCHOOL MATHEMATICS TEACHERS' ATTITUDES AND BELIEFS CONCERNING THE NCTM CURRICULUM AND EVALUATION STANDARDS FOR SCHOOL MATHEMATICS (رسالة دكتوراه غير منشورة). Kansas State University، مانهاتن. مسترجع من http://search.mandumah.com/Record/615543
Ghabban، Ahmed Mohammed Ibraheem، و Jackson A. Byars. "KANSAS HIGH SCHOOL MATHEMATICS TEACHERS' ATTITUDES AND BELIEFS CONCERNING THE NCTM CURRICULUM AND EVALUATION STANDARDS FOR SCHOOL MATHEMATICS" رسالة دكتوراه. Kansas State University، مانهاتن، 1992. مسترجع من http://search.mandumah.com/Record/615543