Al Etani، S. Y. S.، و Martin، D. (2006). INVESTIGATIG STUDENTS' MOTIVATION TO LEARN ENGLISH AS A FOREIGN LANGUAGE IN A VOCATIONAL COLLEGE IN SAUDI AEABIA (رسالة دكتوراه غير منشورة). University of Birmingham، برمنغهام. مسترجع من http://search.mandumah.com/Record/662901
Al Etani، Salem Yousef Sharef، و Deirdre Martin. "INVESTIGATIG STUDENTS' MOTIVATION TO LEARN ENGLISH AS A FOREIGN LANGUAGE IN A VOCATIONAL COLLEGE IN SAUDI AEABIA" رسالة دكتوراه. University of Birmingham، برمنغهام، 2006. مسترجع من http://search.mandumah.com/Record/662901