Khamaisah، K. M.، و Abdolrahman، A. E. (2016). The Impact of Persuasion Methods from Pragmatic Side in Educational Attainment: Case Study at the British Council and International Schools for English Teachers in the Republic of the Sudan: Strategic Vision (رسالة ماجستير غير منشورة). جامعة أم درمان الاسلامية، أم درمان. مسترجع من http://search.mandumah.com/Record/1001187
Khamaisah، Khaldoon M.Tayseer، و Ali Eisa Abdolrahman. "The Impact of Persuasion Methods From Pragmatic Side in Educational Attainment: Case Study At the British Council and International Schools for English Teachers in the Republic of the Sudan: Strategic Vision" رسالة ماجستير. جامعة أم درمان الاسلامية، أم درمان، 2016. مسترجع من http://search.mandumah.com/Record/1001187