Al Ajaji، A. A.، و Al Berty، E. J. (1989). A SURVEY OF MALE TEACHERS, SUPERVISORS, AND SCHOOL ADMINISTRATORS, ATTITUDES TOWARD GLOBAL EDUCATION IN SOCIAL STUDIES IN SECONDARY PUBLIC SCHOOLS IN RIYADH, SAUDI ARABIA (رسالة دكتوراه غير منشورة). Ohio State University، كولومبوس. مسترجع من http://search.mandumah.com/Record/613748
Al Ajaji، Abd Allah، و Elsie J. Al Berty. "A SURVEY OF MALE TEACHERS, SUPERVISORS, AND SCHOOL ADMINISTRATORS, ATTITUDES TOWARD GLOBAL EDUCATION IN SOCIAL STUDIES IN SECONDARY PUBLIC SCHOOLS IN RIYADH, SAUDI ARABIA" رسالة دكتوراه. Ohio State University، كولومبوس، 1989. مسترجع من http://search.mandumah.com/Record/613748