Yusuf، T. A.، و Ferrante، R. (1996). THE CRITERIA FOR ESTABLISHING GRADUATE PROGRAMS AT KING ABDUL AZIZ UNIVERSITY AND AT UMM AL-QURA UNIVERSITY BASED UPON THE POLICY STATEMENTS ON DOCTORAL AND MASTER'S DEGREES BY THE COUNCIL OF GRADUATE SCHOOLS IN THE UNITED STATES OF AMERICA (رسالة دكتوراه غير منشورة). George Washington University، واشنطن. مسترجع من http://search.mandumah.com/Record/611734
Yusuf، Talal A.، و Reynolds Ferrante. "THE CRITERIA FOR ESTABLISHING GRADUATE PROGRAMS AT KING ABDUL AZIZ UNIVERSITY AND AT UMM AL-QURA UNIVERSITY BASED UPON THE POLICY STATEMENTS ON DOCTORAL AND MASTER'S DEGREES BY THE COUNCIL OF GRADUATE SCHOOLS IN THE UNITED STATES OF AMERICA" رسالة دكتوراه. George Washington University، واشنطن، 1996. مسترجع من http://search.mandumah.com/Record/611734