Ali، N. A. A.، و Arabi، H. A. (2017). Employment of Tense and Aspect by Sudanese English Majors: A Discourse Analysis Perspective. مجلة آداب، ع38 ، 23 - 62. مسترجع من http://search.mandumah.com/Record/998798
Ali، Nauman Al Amin، و Hamid Abdalla Arabi. "Employment of Tense and Aspect By Sudanese English Majors: A Discourse Analysis Perspective." مجلة آداب ع38 (2017): 23 - 62. مسترجع من http://search.mandumah.com/Record/998798