Alabd Elwahab، S. Q.، و Hancock، C. R. (2002). PORTFOLIO ASSESSMENT: A QUALITATIVE INVESTIGATION OF PORTFOLIO SELF-ASSESSMENT PRACTICES IN AN INTERMEDIATE EFL CLASSROOM, SAUDI ARABIA (رسالة دكتوراه غير منشورة). Ohio State University، كولومبوس. مسترجع من http://search.mandumah.com/Record/614942
Alabd Elwahab، Sharif Q.، و Charles R. Hancock. "PORTFOLIO ASSESSMENT: A QUALITATIVE INVESTIGATION OF PORTFOLIO SELF-ASSESSMENT PRACTICES IN AN INTERMEDIATE EFL CLASSROOM, SAUDI ARABIA" رسالة دكتوراه. Ohio State University، كولومبوس، 2002. مسترجع من http://search.mandumah.com/Record/614942