Mohammed، A. O. (1989). TEACHING THE COMMUNICATIVE ASPACTS OF SIMPLE TENSE AND MODALS IN EST. آداب الرافدين، ع19 ، 39 - 51. مسترجع من http://search.mandumah.com/Record/659986
Mohammed، Ahmed Othman. "TEACHING THE COMMUNICATIVE ASPACTS OF SIMPLE TENSE AND MODALS IN EST." آداب الرافدين ع19 (1989): 39 - 51. مسترجع من http://search.mandumah.com/Record/659986