Saeed، O. A. A.، و Hoegberg، D. (1998). AN INVESTIGATION INTO THE FACTORS BEHIND DIFFICULTIES IN ENGLISH LITERATURE ENCOUNTERED BY SAUDI MALE STUDENTS AT THE FACULTY OF EDUCATION, KING ABDUL AZIZ UNIVERSITY (رسالة ماجستير غير منشورة). Indiana University، إنديانا. مسترجع من http://search.mandumah.com/Record/613125
Saeed، Osama Abd Alaziz، و David Hoegberg. "AN INVESTIGATION INTO THE FACTORS BEHIND DIFFICULTIES IN ENGLISH LITERATURE ENCOUNTERED BY SAUDI MALE STUDENTS AT THE FACULTY OF EDUCATION, KING ABDUL AZIZ UNIVERSITY" رسالة ماجستير. Indiana University، إنديانا، 1998. مسترجع من http://search.mandumah.com/Record/613125