Al Hassan، O. A. Y.، و Ahmed، M. A. (2019). Investigating Students’ Performance and Perception of Paraphrasing Techniques at Governmental and Private Sudanese Universities. مجلة الدراسات اللغوية والأدبية، مج20, ع2 ، 75 - 85. مسترجع من http://search.mandumah.com/Record/1072886
Al Hassan، Omer Ahmed Yousif، و Mahmoud Ali Ahmed. "Investigating Students’ Performance and Perception of Paraphrasing Techniques At Governmental and Private Sudanese Universities." مجلة الدراسات اللغوية والأدبية مج20, ع2 (2019): 75 - 85. مسترجع من http://search.mandumah.com/Record/1072886