Hariri، I.، و Debower، C. E. (1982). The Best Methods for Learning the English Language As Perceived By Arab Students and Their E.S.L. Teachers (رسالة ماجستير غير منشورة). Pacific Lutheran University، شيكاغو. مسترجع من http://search.mandumah.com/Record/618311
Hariri، Izdehar، و Carrol E. Debower. "The Best Methods for Learning the English Language As Perceived By Arab Students and Their E.S.L. Teachers" رسالة ماجستير. Pacific Lutheran University، شيكاغو، 1982. مسترجع من http://search.mandumah.com/Record/618311